chore(deps): update semantic-release monorepo

Author: renovate[bot]

package.json

@@ -101,9 +101,9 @@
     "nyc": "^11.4.1",
     "redux": "^3.6.0",
     "rimraf": "^2.6.0",
-    "semantic-release": "^15.1.4",
+    "semantic-release": "^21.0.0",
     "sinon": "^1.17.6",
-    "travis-deploy-once": "^4.3.1",
+    "travis-deploy-once": "^5.0.0",
     "validate-commit-msg": "^2.8.2"
   },
   "dependencies": {