ci: use correct signing key id env var

Author: matrei

.github/workflows/release.yml

@@ -39,7 +39,7 @@ jobs:
           NEXUS_PUBLISH_PASSWORD: ${{ secrets.NEXUS_PUBLISH_PASSWORD }}
           NEXUS_PUBLISH_URL: ${{ secrets.NEXUS_PUBLISH_RELEASE_URL }}
           NEXUS_PUBLISH_STAGING_PROFILE_ID: ${{ secrets.NEXUS_PUBLISH_STAGING_PROFILE_ID }}
-          SIGNING_KEY: ${{ secrets.SIGNING_KEY_ID }}
+          SIGNING_KEY: ${{ secrets.SIGNING_KEY }}
           SIGNING_PASSPHRASE: ${{ secrets.SIGNING_PASSPHRASE }}
         run: >
           ./gradlew