chore: update workflow secrets naming (#429)

Author: kevinsamoei

.github/workflows/release-please.yml

@@ -10,8 +10,8 @@ jobs:
       - uses: navikt/github-app-token-generator@a9cd374e271b8aef573b8c16ac46c44fb89b02db
         id: get-token
         with:
-          private-key: ${{ secrets.PRIVATE_KEY }}
-          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.TOKENS_PRIVATE_KEY }}
+          app-id: ${{ secrets.TOKENS_APP_ID }}
 
       - uses: GoogleCloudPlatform/release-please-action@v3
         with: