Merge branch 'update-rack-to-latest' into 'main'

update rack to address vulnerability

See merge request lg/identity-pki!78

Author: solipet

Gemfile.lock

@@ -229,7 +229,7 @@ GEM
     puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.10)
+    rack (3.1.12)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)