Bump rails from 56cec19 to aa1bee9 (#766)

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

Author: dependabot[bot]

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/rails/rails.git
-  revision: 56cec19ed453af52082776a42dc54a881ba3d544
+  revision: aa1bee96f565b2f894e4b9eef434990ecfaaa833
   specs:
     actioncable (8.2.0.alpha)
       actionpack (= 8.2.0.alpha)
@@ -71,6 +71,7 @@ GIT
       json
       logger (>= 1.4.2)
       minitest (>= 5.1)
+      psych (>= 4)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
@@ -302,7 +303,7 @@ GEM
     msgpack (1.8.0)
     net-http (0.6.0)
       uri
-    net-imap (0.5.12)
+    net-imap (0.6.2)
       date
       net-protocol
     net-pop (0.1.2)