Bump rack-session from 2.1.0 to 2.1.1

Bumps [rack-session](https://github.com/rack/rack-session) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/rack/rack-session/releases)
- [Changelog](https://github.com/rack/rack-session/blob/main/releases.md)
- [Commits](rack/rack-session@v2.1.0...v2.1.1)

---
updated-dependencies:
- dependency-name: rack-session
  dependency-version: 2.1.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -105,7 +105,7 @@ GEM
     arbre (1.7.0)
       activesupport (>= 3.0.0)
       ruby2_keywords (>= 0.0.2)
-    base64 (0.2.0)
+    base64 (0.3.0)
     bcrypt (3.1.20)
     benchmark (0.4.0)
     bigdecimal (3.1.9)
@@ -303,12 +303,12 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.10)
+    rack (3.1.17)
     rack-protection (4.1.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
-    rack-session (2.1.0)
+    rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.2.0)