Update resource list

Author: Autogenerator Pipeline

generator/resources.json

@@ -2893,19 +2893,22 @@
     "2020-02-14-preview",
     "2021-06-01",
     "2021-06-01-preview",
-    "2022-01-20-preview"
+    "2022-01-20-preview",
+    "2022-03-08-preview"
   ],
   "Microsoft.DBForPostgreSql/flexibleServers/databases": [
     "2020-11-05-preview",
     "2021-06-01",
     "2021-06-01-preview",
-    "2022-01-20-preview"
+    "2022-01-20-preview",
+    "2022-03-08-preview"
   ],
   "Microsoft.DBForPostgreSql/flexibleServers/firewallRules": [
     "2020-02-14-preview",
     "2021-06-01",
     "2021-06-01-preview",
-    "2022-01-20-preview"
+    "2022-01-20-preview",
+    "2022-03-08-preview"
   ],
   "Microsoft.DBforMariaDB/servers": [
     "2018-06-01",
@@ -2974,10 +2977,14 @@
     "2017-12-01",
     "2017-12-01-preview"
   ],
+  "Microsoft.DBforPostgreSQL/flexibleServers/administrators": [
+    "2022-03-08-preview"
+  ],
   "Microsoft.DBforPostgreSQL/flexibleServers/configurations": [
     "2021-06-01",
     "2021-06-01-preview",
-    "2022-01-20-preview"
+    "2022-01-20-preview",
+    "2022-03-08-preview"
   ],
   "Microsoft.DBforPostgreSQL/servers": [
     "2017-12-01",