ci: autorelease patch version per commit

.github/workflows/release.yml

@@ -1,5 +1,8 @@
 name: Draft release
 on: 
+  push:
+    branches:
+      - master
   workflow_dispatch:
     inputs:
       bump:
@@ -45,6 +48,11 @@ jobs:
     env:
       VERSION: ${{github.event.after}}
     steps:
+      - name: Set bump amount
+        id: bump
+        run: |
+        BUMP_INPUT=${{ github.event.inputs.bump }}
+        echo "::set-output bump=value::${BUMP_INPUT:-"patch"}"
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
         with:
           fetch-depth: '0'
@@ -55,7 +63,7 @@ jobs:
         id: tag
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DEFAULT_BUMP: ${{ github.event.inputs.bump }}
+          DEFAULT_BUMP: ${{ steps.bump.outputs.bump }}
           WITH_V: true
       - run: gh release create ${{steps.tag.outputs.new_tag}} --generate-notes libsquirrel.a
         env: