chore(deps): update dependency esbuild to ^0.21.0 (#170)

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

Author: renovate[bot]

package-lock.json

@@ -86,7 +86,7 @@
     "@commitlint/config-conventional": "^17.0.0",
     "@netlify/eslint-config-node": "^7.0.1",
     "c8": "^7.11.0",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.21.0",
     "husky": "^8.0.0",
     "node-fetch": "^3.3.1",
     "semver": "^7.5.3",