Bump bundler-audit from 0.7.0.1 to 0.8.0 (#15877)

Bumps [bundler-audit](https://github.com/postmodern/bundler-audit) from 0.7.0.1 to 0.8.0.
- [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/v0.7.0.1...v0.8.0)

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

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

Gemfile.lock

@@ -115,9 +115,9 @@ GEM
     bullet (6.1.4)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
-    bundler-audit (0.7.0.1)
+    bundler-audit (0.8.0)
       bundler (>= 1.2.0, < 3)
-      thor (>= 0.18, < 2)
+      thor (~> 1.0)
     byebug (11.1.3)
     capistrano (3.16.0)
       airbrussh (>= 1.0.0)
@@ -705,7 +705,7 @@ DEPENDENCIES
   brakeman (~> 4.10)
   browser
   bullet (~> 6.1)
-  bundler-audit (~> 0.7)
+  bundler-audit (~> 0.8)
   capistrano (~> 3.16)
   capistrano-rails (~> 1.6)
   capistrano-rbenv (~> 2.2)