Fix environement variable name for gh cli (JabRef#12029)

Author: koppor

.github/workflows/automerge.yml

@@ -10,13 +10,13 @@ jobs:
     runs-on: ubuntu-latest
     # Run only if PR is inside JabRef's main repository and created by dependabot or by an update workflow
     if: >
-      (github.repository == 'JabRef/jabref') && 
+      (github.repository == 'JabRef/jabref') &&
       (github.event.pull_request.head.repo.full_name == 'JabRef/jabref') &&
       (
         (github.actor == 'dependabot[bot]') ||
         (
-          startsWith(github.event.pull_request.title, '[Bot] ') || 
-          startsWith(github.event.pull_request.title, 'Bump ') || 
+          startsWith(github.event.pull_request.title, '[Bot] ') ||
+          startsWith(github.event.pull_request.title, 'Bump ') ||
           startsWith(github.event.pull_request.title, 'New Crowdin updates') ||
           startsWith(github.event.pull_request.title, 'Update Gradle Wrapper from')
         )
@@ -26,9 +26,9 @@ jobs:
         run: gh pr review --approve "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GH_TOKEN_JABREF_MACHINE_PR_APPROVE}}
+          GH_TOKEN: ${{secrets.GH_TOKEN_JABREF_MACHINE_PR_APPROVE}}
       - name: Merge PR
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GH_TOKEN_UPDATE_GRADLE_WRAPPER}}
+          GH_TOKEN: ${{secrets.GH_TOKEN_UPDATE_GRADLE_WRAPPER}}

.github/workflows/on-review-submitted.yml

@@ -14,4 +14,4 @@ jobs:
           gh pr edit "$PR_URL" --add-label "status: changes required"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GH_TOKEN_UPDATE_GRADLE_WRAPPER}}
+          GH_TOKEN: ${{secrets.GH_TOKEN_UPDATE_GRADLE_WRAPPER}}