chore(deps): update dependency semantic-release to v18 (#265)

Author: renovate[bot]

.github/workflows/release.yml

@@ -15,6 +15,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
+          node-version: 16
           cache: npm
       - run: npm ci
       - run: npx semantic-release

package-lock.json

@@ -33,7 +33,7 @@
     "conventional-changelog-express": "2.0.6",
     "conventional-changelog-jshint": "2.0.9",
     "nyc": "15.1.0",
-    "semantic-release": "17.4.7",
+    "semantic-release": "18.0.0",
     "sinon": "11.1.2",
     "xo": "0.28.3"
   },