Sync eng/common directory with azure-sdk-tools for PR 1270 (#15766)

* resolve git longpath error when applying documentation updates


Co-authored-by: scbedd <45376673+scbedd@users.noreply.github.com>

eng/common/pipelines/templates/steps/docs-metadata-release.yml

@@ -21,6 +21,16 @@ parameters:
   CloseAfterOpenForTesting: false
 
 steps:
+- pwsh: |
+    if ($IsWindows) {
+      REG ADD HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem /f /v LongPathsEnabled /t REG_DWORD /d 1
+      git config --system core.longpaths true
+    }
+    else {
+      Write-Host "This script is not executing on Windows, skipping registry modification."
+    }
+  displayName: Enable Long Paths if Necessary
+
 - pwsh: |
     git clone https://github.com/${{ parameters.TargetDocRepoOwner }}/${{ parameters.TargetDocRepoName }} ${{ parameters.WorkingDirectory }}/repo