Fix public builds from forks (#281)

Based on this PR from host: Azure/azure-functions-host#10256

And clean up CodeQL settings based on this PR: Azure/azure-functions-host#10198

Author: ejizba

azure-pipelines/public-build.yml

@@ -34,6 +34,16 @@ extends:
             image: 1es-windows-2022
             os: windows
 
+        sdl:
+            codeql:
+                compiled:
+                    enabled: true
+                runSourceLanguagesInSourceAnalysis: true
+
+        settings:
+            # PR's from forks do not have sufficient permissions to set tags.
+            skipBuildTagsForGitHubPullRequests: ${{ variables['System.PullRequest.IsFork'] }}
+
         stages:
             - stage: WindowsUnitTests
               dependsOn: []