Resolve Failing Weekly Storage LiveTests (Azure#24843)

* target pypy3.7 in platform-matrix-all-versions.json

* adding word to exceptions list

Author: scbedd

.vscode/cspell.json

@@ -157,6 +157,7 @@
     "delenv",
     "dependened",
     "deserialization",
+    "disablecov",
     "docfx",
     "dotenv",
     "dpkg",

sdk/storage/platform-matrix-all-versions.json

@@ -10,7 +10,7 @@
           "windows-2019": { "OSVmImage": "MMS2019", "Pool": "azsdk-pool-mms-win-2019-general" },
           "macOS-10.15": { "OSVmImage": "macOS-10.15", "Pool": "Azure Pipelines" }
         },
-        "PythonVersion": [ "pypy3", "3.6", "3.7", "3.8", "3.9" ],
+        "PythonVersion": [ "pypy3.7", "3.6", "3.7", "3.8", "3.9" ],
         "CoverageArg": "--disablecov",
         "TestSamples": "false",
         "AZURE_LIVE_TEST_SERVICE_VERSION": [