Fix secret variable names for OSSRH credentials

Author: yujincheng08

.github/workflows/deploy.yml

@@ -40,5 +40,5 @@ jobs:
       env:
         ORG_GRADLE_PROJECT_signingKey: ${{ secrets.maven_pgp_signingKey }}
         ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.maven_pgp_signingPassword }}
-        ORG_GRADLE_PROJECT_ossrhUsername: ${{ secrets.OSSRH_USERNAME }}
-        ORG_GRADLE_PROJECT_ossrhPassword: ${{ secrets.OSSRH_PASSWORD }}
+        ORG_GRADLE_PROJECT_ossrhUsername: ${{ secrets.OSSRHUSERNAME }}
+        ORG_GRADLE_PROJECT_ossrhPassword: ${{ secrets.OSSRHPASSWORD }}