Remove GitHub Action latest-tag (#4135)

Did not work, maybe due to bad configuration.
I am doing it manually for now.
Another option welcome

.github/workflows/latest.yml

@@ -1,12 +0,0 @@
-name: Add latest tag to new release
-on:
-  release:
-    types: [published]
-
-jobs:
-  run:
-    name: Run local action
-    runs-on: ubuntu-latest
-    steps:
-      - name: Run latest-tag
-        uses: EndBug/latest-tag@6d22a6738f5c33059e3a8c6ca5dcf8eaf8a14599