Chore: Create prepare release action (#43357)

Co-authored-by: Hugo Häggmark <hugo.haggmark@gmail.com>

.github/workflows/remove-milestone.yml

@@ -5,6 +5,12 @@ on:
       version:
         required: true
         description: Needs to match, exactly, the name of a milestone
+  workflow_call:
+    inputs:
+      version_call:
+        description: Needs to match, exactly, the name of a milestone
+        required: true
+        type: string
 jobs:
   main:
     runs-on: ubuntu-latest
@@ -17,7 +23,15 @@ jobs:
           ref: main
       - name: Install Actions
         run: npm install --production --prefix ./actions
-      - name: Remove milestone from open issues
+      - name: Remove milestone from open issues (manually invoked)
+        if: ${{ github.event.inputs.version != '' }}
         uses: ./actions/remove-milestone
         with:
+          version: ${{ github.event.inputs.version }}
+          token: ${{secrets.GH_BOT_ACCESS_TOKEN}}
+      - name: Remove milestone from open issues (workflow invoked)
+        if: ${{ inputs.version_call != '' }}
+        uses: ./actions/remove-milestone
+        with:
+          version: ${{ inputs.version_call }}
           token: ${{secrets.GH_BOT_ACCESS_TOKEN}}