Update snapshot.yml

Author: filzrev

.github/workflows/snapshot.yml

@@ -9,6 +9,11 @@ on:
         type: boolean
         description: Set `true` to skip diff commits.
         default: true
+      target_branch:
+        type: string
+        description: Target branch to use.
+        required: true
+
 jobs:
   snapshot:
     runs-on: ${{ matrix.os }}
@@ -24,13 +29,13 @@ jobs:
       with:
         ref: ${{ github.event.inputs.target_branch }}
         lfs: true
-
+    
     # Build projects
     - uses: ./.github/actions/build
     - run: dotnet build -c Release samples/extensions/build
 
     # Update snapshots
-    - run: dotnet test -c Release -f net8.0 --no-build --filter Stage=Snapshot
+    - run: dotnet test -c Release -f net8.0 --no-build
       working-directory: test/docfx.Snapshot.Tests
       env:
         BUILD_SERVER: false # Accept changes automatically