Revert "chore(deps): update dependency conventional-changelog-conventionalcommits to v7 (#510)"

This reverts commit a488a1a.

Author: travi

package-lock.json

@@ -26,7 +26,7 @@
     "ava": "5.3.1",
     "c8": "8.0.1",
     "conventional-changelog-atom": "4.0.0",
-    "conventional-changelog-conventionalcommits": "7.0.1",
+    "conventional-changelog-conventionalcommits": "6.1.0",
     "conventional-changelog-ember": "4.0.0",
     "conventional-changelog-eslint": "4.0.0",
     "conventional-changelog-express": "3.0.0",