chore(deps): update dependency dprint-json to v0.21.0 (#90)

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

Author: renovate[bot]

dprint.json

@@ -14,7 +14,7 @@
   ],
   "plugins": [
     "https://plugins.dprint.dev/typescript-0.95.11.wasm",
-    "https://plugins.dprint.dev/json-0.20.0.wasm",
+    "https://plugins.dprint.dev/json-0.21.0.wasm",
     "https://plugins.dprint.dev/markdown-0.20.0.wasm",
     "https://plugins.dprint.dev/g-plane/pretty_yaml-v0.5.1.wasm",
     "https://plugins.dprint.dev/toml-0.7.0.wasm"