chore(deps): bump net-imap from 0.5.1 to 0.5.2

Bumps [net-imap](https://github.com/ruby/net-imap) from 0.5.1 to 0.5.2.
- [Release notes](https://github.com/ruby/net-imap/releases)
- [Commits](ruby/net-imap@v0.5.1...v0.5.2)

---
updated-dependencies:
- dependency-name: net-imap
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -175,7 +175,7 @@ GEM
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)
     msgpack (1.7.5)
-    net-imap (0.5.1)
+    net-imap (0.5.2)
       date
       net-protocol
     net-pop (0.1.2)
@@ -306,7 +306,7 @@ GEM
       mini_portile2 (~> 2.8.0)
     stringio (3.1.2)
     thor (1.3.2)
-    timeout (0.4.2)
+    timeout (0.4.3)
     turbo-rails (2.0.11)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)