chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

package.json

@@ -52,8 +52,8 @@
 	},
 	"devDependencies": {
 		"@biomejs/biome": "^2.0.6",
-		"@commitlint/cli": "^19.8.1",
-		"@commitlint/config-conventional": "^19.8.1",
+		"@commitlint/cli": "^20.4.0",
+		"@commitlint/config-conventional": "^20.4.0",
 		"@tsconfig/node-lts": "^22.0.2",
 		"@types/node": "^24.0.10",
 		"lefthook": "^1.11.16",