Bump webmock from 3.9.1 to 3.9.3 (#14996)

Bumps [webmock](https://github.com/bblimke/webmock) from 3.9.1 to 3.9.3.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bblimke/webmock/compare/v3.9.1...v3.9.3)

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

Gemfile.lock

@@ -649,7 +649,7 @@ GEM
       safety_net_attestation (~> 0.4.0)
       securecompare (~> 1.0)
       tpm-key_attestation (~> 0.9.0)
-    webmock (3.9.1)
+    webmock (3.9.3)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)