Bump junit-report-builder from 5.0.0 to 5.1.1 in /formatter-junit

Bumps [junit-report-builder](https://github.com/davidparsson/junit-report-builder) from 5.0.0 to 5.1.1.
- [Commits](davidparsson/junit-report-builder@5.0.0...5.1.1)

---
updated-dependencies:
- dependency-name: junit-report-builder
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

formatter-junit/package.json

@@ -22,7 +22,7 @@
     "markdownlint-cli2": ">=0.0.4"
   },
   "dependencies": {
-    "junit-report-builder": "5.0.0"
+    "junit-report-builder": "5.1.1"
   },
   "keywords": [
     "markdownlint-cli2-formatter"