ci: expose central token env vars to publish step

Author: javorosas

.github/workflows/publish.yml

@@ -12,6 +12,9 @@ jobs:
   publish:
     name: Publish to Maven Central
     runs-on: ubuntu-latest
+    env:
+      CENTRAL_TOKEN_USERNAME: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
+      CENTRAL_TOKEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -25,9 +28,6 @@ jobs:
           server-id: central
           server-username: CENTRAL_TOKEN_USERNAME
           server-password: CENTRAL_TOKEN_PASSWORD
-        env:
-          CENTRAL_TOKEN_USERNAME: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
-          CENTRAL_TOKEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
 
       - name: Check release gate
         id: gate