build: update conventional-changelog to version ^3.0.0

Author: renovate-bot

package.json

@@ -115,7 +115,7 @@
     "ajv": "6.10.2",
     "ansi-colors": "3.2.4",
     "common-tags": "^1.8.0",
-    "conventional-changelog": "^1.1.0",
+    "conventional-changelog": "^3.0.0",
     "conventional-commits-parser": "^3.0.0",
     "fast-json-stable-stringify": "2.1.0",
     "gh-got": "^8.0.1",