Update checkout action.

Author: neotron

.github/workflows/make-release.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
       # we first have to clone the AddOn project, this is a required step
       - name: Clone project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0  # gets git history for changelogs