chore: pin GitHub actions with their SHA-1 instead of their version n…

…umber (#525)

.github/workflows/release-drafter.yml

@@ -1,17 +1,14 @@
----
 name: Release Drafter
-
 on:
   push:
     branches:
       - main
   workflow_dispatch:
-
 jobs:
   update_release_draft:
     runs-on: ubuntu-20.04
     steps:
-      - uses: release-drafter/release-drafter@v5
+      - uses: release-drafter/release-drafter@569eb7ee3a85817ab916c8f8ff03a5bd96c9c83e # v5
         env:
           # This token is generated automatically by default in GitHub Actions: no need to create it manually
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}