Adding references to Github creds

Author: krmahadevan

.github/workflows/publish-maven-central.yml

@@ -33,7 +33,7 @@ jobs:
     # FIXME Check https://github.com/allure-framework/allure2/blob/430255d8cf5c236ed29bc0df0b72dcd9389c3df9/.github/workflows/release.yaml
     - name: Publish release
       run: |
-        ./gradlew -PghDryRun -PghNexusUsername=${{ secrets.SONATYPE_USER }} -PghNexusPassword=${{ secrets.SONATYPE_PASSWORD }} -Psigning.secretKeyRingFile=$HOME/.gnupg/secring.gpg -Psigning.password="" -Psigning.keyId=${{ secrets.GPG_KEY_ID }} -Prc=1 prepareVote
+        ./gradlew -PghGitSourceUsername=${{ secrets.GITHUB_USER }} -PghGitSourcePassword=${{ secrets.GITHUB_TOKEN }} -PghDryRun -PghNexusUsername=${{ secrets.SONATYPE_USER }} -PghNexusPassword=${{ secrets.SONATYPE_PASSWORD }} -Psigning.secretKeyRingFile=$HOME/.gnupg/secring.gpg -Psigning.password="" -Psigning.keyId=${{ secrets.GPG_KEY_ID }} -Prc=1 prepareVote
 
     - name: Display next step
       run: |