Merge pull request #22780 from backstage/renovate/testing-library-jest-dom-6.x-lockfile

chore(deps): update dependency @testing-library/jest-dom to v6.4.2

yarn.lock

@@ -17774,8 +17774,8 @@ __metadata:
   linkType: hard
 
 "@testing-library/jest-dom@npm:^6.0.0":
-  version: 6.3.0
-  resolution: "@testing-library/jest-dom@npm:6.3.0"
+  version: 6.4.2
+  resolution: "@testing-library/jest-dom@npm:6.4.2"
   dependencies:
     "@adobe/css-tools": ^4.3.2
     "@babel/runtime": ^7.9.2
@@ -17802,7 +17802,7 @@ __metadata:
       optional: true
     vitest:
       optional: true
-  checksum: cea8aa17895cf4aff573fedee80e8a592611caf7bc724702fc70b3b7bfee94becd3a10873c818d931424018d6fdeeca9d1a2ea5f53b74092ad5e8e09f03dde90
+  checksum: 631aeadbf4e738080ae095242cf1a29a0b4ee2f09c8bdd0d3f00a923707da64c1617e088ba9a961d098481afabdc1d19149fb7ef98edf15132348eb222f345ae
   languageName: node
   linkType: hard