ci: clarify use of version when creating PR

Author: MIchaelMainer

.azure-pipelines/generation-templates/capture-openapi.yml

@@ -185,5 +185,6 @@ jobs:
       OverrideSkipCI: false
       RepoName: 'microsoftgraph/msgraph-metadata'
       ScriptsDirectory: $(scriptsDirectory)
+      # Version is intentionally left empty for OpenAPI PRs as versioning is not applicable in this context.
       Version: ''
     workingDirectory: '$(Build.SourcesDirectory)/msgraph-metadata'

scripts/create-pull-request.ps1

@@ -11,15 +11,17 @@ if (($env:GeneratePullRequest -eq $False)) { # Skip CI if manually running this
 
 $version = $env:Version
 
-# Special case for beta typings as it uses a non-conforming preview versioning.
-if ($env:RepoName.Contains("msgraph-beta-typescript-typings"))
+if ($version -ne '')
 {
-    $title = "feat: generated $version models and request builders"    
+    # Special case for beta typings as it uses a non-conforming preview versioning. Helps with triggering Release Please.
+    if ($env:RepoName.Contains("msgraph-beta-typescript-typings"))
+    {
+        $title = "feat: generated $version models and request builders"    
+    }
+    else {
+        $title = "Generated $version models and request builders"
+    }
 }
-else {
-    $title = "Generated $version models and request builders"
-}
-
 $body = ":bangbang:**_Important_**:bangbang: <br> Check for unexpected deletions or changes in this PR and ensure relevant CI checks are passing. <br><br> **Note:** This pull request was automatically created by Azure pipelines."
 $baseBranchParameter = ""