chore(deps): pin dependency semantic-release to 15.13.12

Author: renovate-bot

package.json

@@ -44,6 +44,6 @@
     "nyc": "14.1.1",
     "parcel-bundler": "1.12.3",
     "start-server-and-test": "1.9.0",
-    "semantic-release": "^15.13.12"
+    "semantic-release": "15.13.12"
   }
 }