Bump valid_email2 from 5.2.3 to 7.0.15

Bumps [valid_email2](https://github.com/micke/valid_email2) from 5.2.3 to 7.0.15.
- [Release notes](https://github.com/micke/valid_email2/releases)
- [Changelog](https://github.com/micke/valid_email2/blob/main/CHANGELOG.md)
- [Commits](https://github.com/micke/valid_email2/compare/v5.2.3...v7.0.15)

---
updated-dependencies:
- dependency-name: valid_email2
  dependency-version: 7.0.15
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -507,7 +507,8 @@ GEM
       logger
     mini_mime (1.1.5)
     mini_portile2 (2.8.6)
-    minitest (6.0.1)
+    minitest (6.0.2)
+      drb (~> 2.0)
       prism (~> 1.5)
     monetize (1.13.0)
       money (~> 6.12)
@@ -519,7 +520,7 @@ GEM
     mutex_m (0.3.0)
     net-http (0.9.1)
       uri (>= 0.11.1)
-    net-imap (0.5.12)
+    net-imap (0.6.3)
       date
       net-protocol
     net-pop (0.1.2)
@@ -924,8 +925,8 @@ GEM
     unicode-emoji (4.2.0)
     uniform_notifier (1.18.0)
     uri (1.1.1)
-    valid_email2 (5.2.3)
-      activemodel (>= 3.2)
+    valid_email2 (7.0.15)
+      activemodel (>= 6.0)
       mail (~> 2.5)
     validate_url (1.0.15)
       activemodel (>= 3.0.0)