Update devDependency prettier to v2.8.4 (#250)

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

package.json

@@ -36,7 +36,7 @@
     "gh-pages": "4.0.0",
     "jest": "29.4.2",
     "lage": "1.9.6",
-    "prettier": "2.8.3",
+    "prettier": "2.8.4",
     "tmp": "0.2.1",
     "ts-jest": "29.0.5",
     "typedoc": "0.22.15",

yarn.lock

@@ -2850,10 +2850,10 @@ pkg-dir@^4.1.0, pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
-prettier@2.8.3:
-  version "2.8.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.3.tgz#ab697b1d3dd46fb4626fbe2f543afe0cc98d8632"
-  integrity sha512-tJ/oJ4amDihPoufT5sM0Z1SKEuKay8LfVAMlbbhnnkvt6BUserZylqo2PN+p9KeljLr0OHa2rXHU1T8reeoTrw==
+prettier@2.8.4:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.4.tgz#34dd2595629bfbb79d344ac4a91ff948694463c3"
+  integrity sha512-vIS4Rlc2FNh0BySk3Wkd6xmwxB0FpOndW5fisM5H8hsZSxU2VWVB5CWIkIjWvrHjIhxk2g3bfMKM87zNTrZddw==
 
 pretty-format@^29.0.0, pretty-format@^29.4.2:
   version "29.4.2"