Update dependency pixelmatch to v7 (#30597)

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

package-lock.json

@@ -23,7 +23,7 @@
         "jimp": "^1.6.0",
         "jsdoc": "^4.0.4",
         "magic-string": "^0.30.0",
-        "pixelmatch": "^6.0.0",
+        "pixelmatch": "^7.0.0",
         "puppeteer": "^22.0.0",
         "qunit": "^2.19.4",
         "rollup": "^4.6.0",
@@ -7261,10 +7261,11 @@
       }
     },
     "node_modules/pixelmatch": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-6.0.0.tgz",
-      "integrity": "sha512-FYpL4XiIWakTnIqLqvt3uN4L9B3TsuHIvhLILzTiJZMJUsGvmKNeL4H3b6I99LRyerK9W4IuOXw+N28AtRgK2g==",
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-7.1.0.tgz",
+      "integrity": "sha512-1wrVzJ2STrpmONHKBy228LM1b84msXDUoAzVEl0R8Mz4Ce6EPr+IVtxm8+yvrqLYMHswREkjYFaMxnyGnaY3Ng==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "pngjs": "^7.0.0"
       },

package.json

@@ -107,7 +107,7 @@
     "jimp": "^1.6.0",
     "jsdoc": "^4.0.4",
     "magic-string": "^0.30.0",
-    "pixelmatch": "^6.0.0",
+    "pixelmatch": "^7.0.0",
     "puppeteer": "^22.0.0",
     "qunit": "^2.19.4",
     "rollup": "^4.6.0",