chore(deps-dev): bump @elastic/elasticsearch-mock from 0.3.0 to 1.0.0

Bumps [@elastic/elasticsearch-mock](https://github.com/elastic/elasticsearch-js-mock) from 0.3.0 to 1.0.0.
- [Release notes](https://github.com/elastic/elasticsearch-js-mock/releases)
- [Commits](https://github.com/elastic/elasticsearch-js-mock/compare/v0.3.0...v1.0.0)

---
updated-dependencies:
- dependency-name: "@elastic/elasticsearch-mock"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

plugins/search-backend-module-elasticsearch/package.json

@@ -32,7 +32,7 @@
   "devDependencies": {
     "@backstage/backend-common": "^0.10.7-next.0",
     "@backstage/cli": "^0.13.2-next.0",
-    "@elastic/elasticsearch-mock": "^0.3.0"
+    "@elastic/elasticsearch-mock": "^1.0.0"
   },
   "files": [
     "dist",