Bump net-imap from 0.5.4 to 0.5.7 in /ruby-on-rails (#802)

Bumps [net-imap](https://github.com/ruby/net-imap) from 0.5.4 to 0.5.7.
- [Release notes](https://github.com/ruby/net-imap/releases)
- [Commits](ruby/net-imap@v0.5.4...v0.5.7)

---
updated-dependencies:
- dependency-name: net-imap
  dependency-version: 0.5.7
  dependency-type: indirect
...

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

Author: dependabot[bot]

ruby-on-rails/Gemfile.lock

@@ -81,7 +81,7 @@ GEM
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
     crass (1.0.6)
-    date (3.4.1)
+    date (3.5.1)
     dotenv (3.1.7)
     dotenv-rails (3.1.7)
       dotenv (= 3.1.7)
@@ -125,7 +125,7 @@ GEM
     mini_portile2 (2.8.9)
     minitest (5.25.5)
     msgpack (1.7.5)
-    net-imap (0.5.4)
+    net-imap (0.5.7)
       date
       net-protocol
     net-pop (0.1.2)
@@ -225,7 +225,7 @@ GEM
       spring (>= 1.2, < 3.0)
     stringio (3.1.7)
     thor (1.3.2)
-    timeout (0.4.3)
+    timeout (0.6.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     useragent (0.16.11)