Build(deps): Bump net-smtp from 0.3.1 to 0.3.2 (#18406)

Bumps [net-smtp](https://github.com/ruby/net-smtp) from 0.3.1 to 0.3.2.
- [Release notes](https://github.com/ruby/net-smtp/releases)
- [Changelog](https://github.com/ruby/net-smtp/blob/master/NEWS.md)
- [Commits](https://github.com/ruby/net-smtp/compare/v0.3.1...v0.3.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

Gemfile.lock

@@ -249,10 +249,8 @@ GEM
       timeout
     net-protocol (0.1.3)
       timeout
-    net-smtp (0.3.1)
-      digest
+    net-smtp (0.3.2)
       net-protocol
-      timeout
     nio4r (2.5.8)
     nokogiri (1.13.8)
       mini_portile2 (~> 2.8.0)