Chore(deps): Bump ajv from 8.11.0 to 8.12.0

Bumps [ajv](https://github.com/ajv-validator/ajv) from 8.11.0 to 8.12.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.11.0...v8.12.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -18,7 +18,7 @@
  "adaptive-expressions": "4.19.3",
  "adaptivecards": "2.11.1",
  "adaptivecards-templating": "2.3.1",
- "ajv": "8.11.0",
+ "ajv": "8.12.0",
  "apg-js": "4.1.3",
  "babel-loader": "9.1.2",
  "babel-preset-react-app": "10.0.1",