just testing...

.github/workflows/close-milestone.yml

@@ -1,8 +1,10 @@
 name: Close Milestone
+
 on:
   release:
     types:
       - released
+
 jobs:
   close_milestone:
     runs-on: ubuntu-latest

.github/workflows/update-milestones.yml

@@ -5,13 +5,45 @@ on:
       - closed
       - opened
       - reopened
+      - synchronize
 
 jobs:
   update_milestone:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Fetch all history for all tags and branches
+        run: git fetch --prune
+
+      - name: Install GitVersion
+        if: ${{ github.event.action == 'opened' }}
+        uses: gittools/actions/gitversion/setup@master
+        with:
+          versionSpec: '5.x'
+
+      - name: Install GitReleaseManager
+        if: ${{ github.event.action == 'opened' }}
+        uses: gittools/actions/gitreleasemanager/setup@master
+        with:
+          versionSpec: '0.11.x'
+
+      - name: Use GitVersion
+        if: ${{ github.event.action == 'opened' }}
+        id: gitversion
+        uses: gittools/actions/gitversion/execute@master
+
+      - name: Create Milestone
+        if: ${{ github.event.action == 'opened' }}
+        uses: WyriHaximus/[email protected]
+        with:
+          title: v${{ steps.gitversion.outputs.majorMinorPatch }}
+        env:
+          GITHUB_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+        continue-on-error: true
 
       - name: sync milestones
         uses: ./sync-milestone/