fix: bump pretty-format (#751)

Author: SimenB

package.json

@@ -42,7 +42,7 @@
     "@types/aria-query": "^4.2.0",
     "aria-query": "^4.2.2",
     "dom-accessibility-api": "^0.5.1",
-    "pretty-format": "^25.5.0"
+    "pretty-format": "^26.4.2"
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^5.10.1",