chore(deps): update dependency @commitlint/cli to v21 (#283)

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

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
 		"react-dom": "^19.1.0"
 	},
 	"devDependencies": {
-		"@commitlint/cli": "^20.0.0",
+		"@commitlint/cli": "^21.0.0",
 		"@somehow-digital/commitlint-config": "^1.0.0",
 		"@somehow-digital/cspell-dictionary": "^2.7.0",
 		"@somehow-digital/eslint-config": "^5.0.0",