Update dependency @testing-library/jest-dom to v7

Author: renovate[bot]

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@stanlemon/lectionary",
-  "version": "2.0.61",
+  "version": "2.0.62",
   "description": "A calculator for the Western Christian church calendar.",
   "keywords": [
     "christian",
@@ -44,7 +44,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.5.6",
-    "@testing-library/jest-dom": "6.9.1",
+    "@testing-library/jest-dom": "7.0.0",
     "@testing-library/react": "16.3.2",
     "@types/node": "25.9.5",
     "@types/react": "19.2.18",