deps: lock esbuild to 0.18.20

(https://github.com/evanw/esbuild/issues/3546)

package.json

@@ -44,7 +44,7 @@
         "chokidar": "^3.5.3",
         "cross-env": "^7.0.3",
         "cross-spawn": "^7.0.3",
-        "esbuild": "0.19.7",
+        "esbuild": "0.18.20",
         "eslint": "^8.55.0",
         "eslint-import-resolver-typescript": "^3.6.1",
         "eslint-import-resolver-webpack": "^0.13.8",