Fix version bump

.github/workflows/build-test-publish.yml

@@ -94,13 +94,17 @@ jobs:
             Write-Host "Latest prerelease version is less than the latest stable version, jumping to $currentVersion"
             $newPrereleaseTag = "prerelease1"
             $newVersion = $currentVersion
+          } elseif ($latestPrereleaseVersion -eq $currentVersion) {
+            Write-Host "Latest prerelease version is the same as the latest stable version, jumping to $currentVersion"
+            $newPrereleaseTag = "prerelease" + (([int]$latestPrereleaseTag) + 1)
+            $newVersion = $currentVersion
           } else {
             # Generate a new prerelease name, psgallery only allows characters 'a-zA-Z0-9' and a hyphen ('-') at the beginning of the prerelease string
             $newPrereleaseTag = "prerelease" + (([int]$latestPrereleaseTag) + 1)
 
             # Prerelease will always be at least one minor version above the latest published stable version so when it's merged to main the minor version will get bumped
             # To bump a major version the manifest would be edited manually to vnext.0.0 before merging to main
-            $newVersion = [version]::new($latestStableVersion.Major, $latestStableVersion.Minor + 1, 0)
+            $newVersion = [version]::new($latestPrereleaseVersion.Major, $latestPrereleaseVersion.Minor + 1, 0)
           }
 
           if($newVersion -eq $oldVersion) {