add support to custom working directory

action.yml

@@ -65,6 +65,9 @@ inputs:
   commit:
     description: "Commit SHA or branch to use for the release"
     required: false
+  working-directory:
+    description: "The working directory to run the action in"
+    required: false
 outputs:
   changed_charts:
     description: "A comma-separated list of charts that were released on this run. Will be an empty string if no updates were detected, will be unset if `--skip_packaging` is used: in the latter case your custom packaging step is responsible for setting its own outputs if you need them."
@@ -78,6 +81,10 @@ runs:
   steps:
     - id: release
       run: |
+        if [[ -n "${{ inputs.working-directory }}" ]]; then
+          cd "${{ inputs.working-directory }}"
+        fi
+
         owner=$(cut -d '/' -f 1 <<< "$GITHUB_REPOSITORY")
         if [[ -n "${{ inputs.owner }}" ]]; then
           owners=${{ inputs.owner }}