Revert "chore: bump typescript-eslint releated pkgs"

This reverts commit 64748b3.

Author: kazupon

package.json

@@ -91,8 +91,8 @@
     "@types/node": "^20.4.5",
     "@types/prettier": "^2.7.3",
     "@types/semver": "^7.5.0",
-    "@typescript-eslint/eslint-plugin": "^7.4.0",
-    "@typescript-eslint/parser": "^7.4.0",
+    "@typescript-eslint/eslint-plugin": "^6.2.0",
+    "@typescript-eslint/parser": "^6.2.0",
     "entities": "^4.5.0",
     "env-cmd": "^10.1.0",
     "eslint": "^8.45.0",