fix: update dependency cosmiconfig to v8 (#3459)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Diff for: @commitlint/load/package.json

@@ -50,7 +50,7 @@
     "@commitlint/types": "^17.0.0",
     "@types/node": "^14.0.0",
     "chalk": "^4.1.0",
-    "cosmiconfig": "^7.0.0",
+    "cosmiconfig": "^8.0.0",
     "cosmiconfig-typescript-loader": "^4.0.0",
     "lodash.isplainobject": "^4.0.6",
     "lodash.merge": "^4.6.2",

Diff for: yarn.lock

@@ -4742,6 +4742,16 @@ cosmiconfig@^7.0.0:
     path-type "^4.0.0"
     yaml "^1.10.0"
 
+cosmiconfig@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-8.0.0.tgz#e9feae014eab580f858f8a0288f38997a7bebe97"
+  integrity sha512-da1EafcpH6b/TD8vDRaWV7xFINlHlF6zKsGwS1TsuVJTZRkquaS5HTMq7uq6h31619QjbsYl21gVDOm32KM1vQ==
+  dependencies:
+    import-fresh "^3.2.1"
+    js-yaml "^4.1.0"
+    parse-json "^5.0.0"
+    path-type "^4.0.0"
+
 cp-file@^7.0.0:
   version "7.0.0"
   resolved "https://registry.npmjs.org/cp-file/-/cp-file-7.0.0.tgz#b9454cfd07fe3b974ab9ea0e5f29655791a9b8cd"