build(deps-dev): bump @microsoft/api-extractor from 7.4.6 to 7.4.7

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack) from 7.4.6 to 7.4.7.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Commits](https://github.com/microsoft/rushstack/compare/@microsoft/gulp-core-build-typescript_v7.4.6...@microsoft/gulp-core-build-typescript_v7.4.7)

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

yarn.lock

@@ -1046,9 +1046,9 @@
     "@microsoft/tsdoc" "0.12.14"
 
 "@microsoft/api-extractor@^7.3.9":
-  version "7.4.6"
-  resolved "https://registry.yarnpkg.com/@microsoft/api-extractor/-/api-extractor-7.4.6.tgz#024f3944ae658e4cba7494e2fc001a67afb8cf2a"
-  integrity sha512-v/6v4tS/WzVGOhLyjgNsmJBnRN4gnW99FeCKTKgDeCZiRIdbemi+g/+ZZnS5YaNu6Yp6DfRR9558WV4RVS2vbA==
+  version "7.4.7"
+  resolved "https://registry.yarnpkg.com/@microsoft/api-extractor/-/api-extractor-7.4.7.tgz#7ce7d104c87567f55da2c2363a2afe3af662e1d2"
+  integrity sha512-CoPlXFC10GlvylZGFe/WBa+e0247b/SRn/kuaUSWDjWRnI0FWqLcQrT1Zge12k6y4cxgZ8VU2rpPNSYVKpA0zw==
   dependencies:
     "@microsoft/api-extractor-model" "7.5.1"
     "@microsoft/node-core-library" "3.15.1"