feat(action): add default git config

Author: woile

action.yaml

@@ -11,6 +11,11 @@ inputs:
     required: false
   python-version:
     description: "Version range or exact version of Python or PyPy to use, using SemVer's version range syntax. Reads from .python-version if unset. Passed directly to setup-python"
+    required: false
+  set-git-config:
+    description: "Set git config"
+    required: false
+    default: "true"
 
 branding:
   icon: "anchor"
@@ -19,6 +24,11 @@ branding:
 runs:
   using: "composite"
   steps:
+    - if: ${{ inputs.set-git-config == 'true' }}
+      shell: bash
+      run: |
+        git config --global user.name "github-actions[bot]"
+        git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
     - id: set-vars
       uses: actions/github-script@v8
       env: