fix(workflow): match signing.properties keys with build.gradle

.forgejo/workflows/release.yml

@@ -26,10 +26,10 @@ jobs:
       - name: Write signing.properties
         run: |
           cat > android/signing.properties << 'PROPS'
-          storeFile=keystore/sylda.jks
-          storePassword=${{ secrets.KEYSTORE_PASS }}
-          keyAlias=${{ secrets.KEY_ALIAS }}
-          keyPassword=${{ secrets.KEY_PASS }}
+          KEYSTORE_PATH=keystore/sylda.jks
+          KEYSTORE_PASSWORD=${{ secrets.KEYSTORE_PASS }}
+          KEY_ALIAS=${{ secrets.KEY_ALIAS }}
+          KEY_PASSWORD=${{ secrets.KEY_PASS }}
           PROPS
 
       - name: Build release APK + AAB