ci: retrieve GitHub action variables from the correct context

Author: matrei

.github/workflows/gradle.yml

@@ -7,8 +7,8 @@ on:
     branches:
       - '[4-9]+.[0-9]+.x'
 env:
-  GIT_USER_NAME: ${{ variables.GIT_USER_NAME }}
-  GIT_USER_EMAIL: ${{ variables.GIT_USER_EMAIL }}
+  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: ${{ variables.GIT_USER_NAME }}
-  GIT_USER_EMAIL: ${{ variables.GIT_USER_EMAIL }}
+  GIT_USER_NAME: ${{ vars.GIT_USER_NAME }}
+  GIT_USER_EMAIL: ${{ vars.GIT_USER_EMAIL }}
 jobs:
   release:
     runs-on: ubuntu-latest