chore(deps): update commitlint monorepo to v20 (major) (#1155)

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

Author: renovate[bot]

package.json

@@ -58,8 +58,8 @@
 		"@typescript-eslint/utils": "^8.15.0"
 	},
 	"devDependencies": {
-		"@commitlint/cli": "19.8.1",
-		"@commitlint/config-conventional": "19.8.1",
+		"@commitlint/cli": "20.2.0",
+		"@commitlint/config-conventional": "20.2.0",
 		"@eslint/eslintrc": "3.3.3",
 		"@eslint/js": "9.35.0",
 		"@types/node": "22.19.3",