Update nbgv_prepare_release.yml

Author: varndellwagglebee

.github/workflows/nbgv_prepare_release.yml

@@ -61,11 +61,14 @@ jobs:
           echo "inc=$INC" >> "$GITHUB_OUTPUT"
 
       # 5️⃣  Bump version and create the release branch
-      - name: 🛠️ Bump version & create branch
+      - name: 🛠️  Bump version & create branch
         id: nbgv
-        uses: dotnet/nbgv@v0.4.2          
+        uses: dotnet/nbgv@v0.4.2
         with:
-          toolVersion: 3.8.38-alpha      
-          versionIncrement: ${{ steps.map.outputs.inc }}
-          versionFile:      ${{ inputs.version_file_path }}
+          toolVersion:      3.8.38-alpha    
+          versionIncrement: revision         
+          firstUnstableTag: dev               
+          versionFile:      version.json
+          setCommonVars:    true
+