Bump rack from 2.2.4 to 2.2.6.4 in /ruby-audit-logs-example

Bumps [rack](https://github.com/rack/rack) from 2.2.4 to 2.2.6.4.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@2.2.4...v2.2.6.4)

---
updated-dependencies:
- dependency-name: rack
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ruby-audit-logs-example/Gemfile.lock

@@ -4,7 +4,7 @@ GEM
     dotenv (2.7.6)
     mustermann (1.1.2)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.4)
+    rack (2.2.6.4)
     rack-protection (2.2.0)
       rack
     ruby2_keywords (0.0.5)
@@ -13,11 +13,9 @@ GEM
       rack (~> 2.2)
       rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    sinatra-flash (0.3.0)
-      sinatra (>= 1.0.0)
-    sorbet-runtime (0.5.10461)
+    sorbet-runtime (0.5.10712)
     tilt (2.0.11)
-    workos (2.5.0)
+    workos (2.9.0)
       sorbet-runtime (~> 0.5)
 
 PLATFORMS
@@ -26,8 +24,7 @@ PLATFORMS
 DEPENDENCIES
   dotenv (= 2.7.6)
   sinatra (= 2.2.0)
-  sinatra-flash
-  workos (= 2.5.0)
+  workos (= 2.9.0)
 
 BUNDLED WITH
    2.3.23