Bump baseline-browser-mapping from 2.8.12 to 2.9.7 in the build group (#315)

Bumps the build group with 1 update: [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping).


Updates `baseline-browser-mapping` from 2.8.12 to 2.9.7
- [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases)
- [Commits](web-platform-dx/baseline-browser-mapping@v2.8.12...v2.9.7)

---
updated-dependencies:
- dependency-name: baseline-browser-mapping
  dependency-version: 2.9.7
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: build
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

yarn.lock

@@ -4896,11 +4896,11 @@ __metadata:
   linkType: hard
 
 "baseline-browser-mapping@npm:^2.8.9":
-  version: 2.8.12
-  resolution: "baseline-browser-mapping@npm:2.8.12"
+  version: 2.9.7
+  resolution: "baseline-browser-mapping@npm:2.9.7"
   bin:
     baseline-browser-mapping: dist/cli.js
-  checksum: 10c0/4c09bfbe4c1597148a29852663d9319ccac3b2ec7b567b615a02ad320dc0efb70a4ea4465a6a24968105f6ece515538203471f2aca4facf7403bc0f9cd6cadd8
+  checksum: 10c0/500af82926d71d23fab20bcf821eb27deeaad45d1a01bd33d2dea7aab6114149068fa0d42bb9c5c18657e996b6e8063b84612c8fb8ac8ba6c6c6028fa4930ed1
   languageName: node
   linkType: hard