fix(deps): update dependency conventional-changelog to v3.1.12 (#463)

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
  "homepage": "https://github.com/conventional-changelog/standard-version#readme",
  "dependencies": {
  "chalk": "2.4.2",
- "conventional-changelog": "3.1.10",
+ "conventional-changelog": "3.1.12",
  "conventional-changelog-config-spec": "2.1.0",
  "conventional-recommended-bump": "6.0.0",
  "detect-indent": "6.0.0",