fix(deps): update dependency pngjs to v7

package.json

@@ -42,7 +42,7 @@
     "jpeg-js": "^0.4.2",
     "mkdirp": "^1.0.4",
     "pixelmatch": "^5.2.1",
-    "pngjs": "^6.0.0"
+    "pngjs": "^7.0.0"
   },
   "devDependencies": {
     "@types/jest": "29.5.12",

yarn.lock

@@ -2494,6 +2494,11 @@ pngjs@^6.0.0:
   resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-6.0.0.tgz#ca9e5d2aa48db0228a52c419c3308e87720da821"
   integrity sha512-TRzzuFRRmEoSW/p1KVAmiOgPco2Irlah+bGFCeNfJXxxYGwSw7YwAOAcd7X28K/m5bjBWKsC29KyoMfHbypayg==
 
+pngjs@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-7.0.0.tgz#a8b7446020ebbc6ac739db6c5415a65d17090e26"
+  integrity sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==
+
 [email protected]:
   version "2.8.8"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"