Add update-main-version.yml workflow

Author: lambdalisue

.github/workflows/update-main-version.yml

@@ -0,0 +1,32 @@
+# Original version
+# https://github.com/actions/checkout/blob/11bd71901bbe5b1630ceea73d27597364c9af683/.github/workflows/update-main-version.yml
+name: Update Main Version
+run-name: Move ${{ github.event.inputs.major_version }} to ${{ github.event.inputs.target }}
+
+on:
+  workflow_dispatch:
+    inputs:
+      target:
+        description: The tag or reference to use
+        required: true
+      major_version:
+        type: choice
+        description: The major version to update
+        options:
+          - v4
+
+jobs:
+  tag:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Git config
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+      - name: Tag new target
+        run: git tag -f ${{ github.event.inputs.major_version }} ${{ github.event.inputs.target }}
+      - name: Push new tag
+        run: git push origin ${{ github.event.inputs.major_version }} --force