Switch CI git user again (#66)

* ci: switch git user again

Documentation publishing is still not authorized.
Looks like the authorized user account might be stored in the repository variables.

* ci: retrieve GitHub action variables from the correct context

.github/workflows/gradle.yml

@@ -7,8 +7,8 @@ on:
     branches:
       - '[4-9]+.[0-9]+.x'
 env:
-  GIT_USER_NAME: gpc-deploy
-  GIT_USER_EMAIL: [email protected]
+  GIT_USER_NAME: ${{ vars.GIT_USER_NAME }}
+  GIT_USER_EMAIL: ${{ vars.GIT_USER_EMAIL }}
 jobs:
   test_project:
     name: "Test Project"

.github/workflows/release.yml

@@ -3,8 +3,8 @@ on:
   release:
     types: [published]
 env:
-  GIT_USER_NAME: ${{ secrets.GIT_USER_NAME }}
-  GIT_USER_EMAIL: ${{ secrets.GIT_USER_EMAIL }}
+  GIT_USER_NAME: ${{ vars.GIT_USER_NAME }}
+  GIT_USER_EMAIL: ${{ vars.GIT_USER_EMAIL }}
 jobs:
   release:
     runs-on: ubuntu-latest
@@ -54,6 +54,7 @@ jobs:
           COMMIT_NAME: ${{ env.GIT_USER_NAME }}
           FOLDER: build/docs/manual
           GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          SKIP_SNAPSHOT: ${{ contains(steps.release_version.outputs.release_version, 'M') }}
           VERSION: ${{ steps.release_version.outputs.release_version }}
       - name: "⚙️ Run post-release"
         if: steps.publish_to_sonatype.outcome == 'success'