Fix Runbook Name patter as per public doc https://learn.microsoft.com/en-us/azure/automation/manage-runbooks (#22352)

Co-authored-by: Sushil Upadhyay <supadhyay@microsoft.com>

Author: sushil490023

specification/automation/resource-manager/Microsoft.Automation/stable/2022-08-08/runbook.json

@@ -70,7 +70,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -124,7 +124,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "runbookContent",
@@ -200,7 +200,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -253,7 +253,7 @@
             "required": true,
             "type": "string",
             "description": "The parameters supplied to the publish runbook operation.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -310,7 +310,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -366,7 +366,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -419,7 +419,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -473,7 +473,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "parameters",
@@ -539,7 +539,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "parameters",
@@ -599,7 +599,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -700,7 +700,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "jobStreamId",
@@ -760,7 +760,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "$filter",
@@ -823,7 +823,7 @@
             "required": true,
             "type": "string",
             "description": "The parameters supplied to the create test job operation.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "name": "parameters",
@@ -883,7 +883,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -936,7 +936,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -986,7 +986,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"
@@ -1036,7 +1036,7 @@
             "required": true,
             "type": "string",
             "description": "The runbook name.",
-            "pattern": "^[a-zA-Z]*-*[a-zA-Z0-9]*$"
+            "pattern": "^[a-zA-Z][a-zA-Z-_0-9]*$"
           },
           {
             "$ref": "../../common/v1/definitions.json#/parameters/ApiVersionParameter"