chore: drop no longer used package (issue after rebase)

Author: armano2

@commitlint/cli/package.json

@@ -36,7 +36,6 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@types/execa": "^0.9.0",
     "@types/yargs": "^15.0.3",
     "@commitlint/test": "8.2.0",
     "@commitlint/utils": "^8.3.4",

yarn.lock

@@ -1893,13 +1893,6 @@
   resolved "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
   integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
-"@types/execa@^0.9.0":
-  version "0.9.0"
-  resolved "https://registry.npmjs.org/@types/execa/-/execa-0.9.0.tgz#9b025d2755f17e80beaf9368c3f4f319d8b0fb93"
-  integrity sha512-mgfd93RhzjYBUHHV532turHC2j4l/qxsF/PbfDmprHDEUHmNZGlDn1CEsulGK3AfsPdhkWzZQT/S/k0UGhLGsA==
-  dependencies:
-    "@types/node" "*"
-
 "@types/fs-extra@^8.0.1":
   version "8.0.1"
   resolved "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.0.1.tgz#a2378d6e7e8afea1564e44aafa2e207dadf77686"