Bump bundler-audit from 0.6.0 to 0.6.1 (#9847)

Bumps [bundler-audit](https://github.com/postmodern/bundler-audit) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/postmodern/bundler-audit/releases)
- [Changelog](https://github.com/rubysec/bundler-audit/blob/master/ChangeLog.md)
- [Commits](https://github.com/postmodern/bundler-audit/compare/v0.6.0...v0.6.1)

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

Gemfile.lock

@@ -106,8 +106,8 @@ GEM
     bullet (5.9.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
-    bundler-audit (0.6.0)
+    bundler-audit (0.6.1)
-      bundler (~> 1.2)
+      bundler (>= 1.2.0, < 3)
       thor (~> 0.18)
     byebug (10.0.2)
     capistrano (3.11.0)