Bump mailVersion from 2.0.3 to 2.0.4

Bumps `mailVersion` from 2.0.3 to 2.0.4.

Updates `org.eclipse.angus:jakarta.mail` from 2.0.3 to 2.0.4

Updates `org.eclipse.angus:angus-mail` from 2.0.3 to 2.0.4
- [Release notes](https://github.com/eclipse-ee4j/angus-mail/releases)
- [Commits](eclipse-ee4j/angus-mail@2.0.3...2.0.4)

---
updated-dependencies:
- dependency-name: org.eclipse.angus:jakarta.mail
  dependency-version: 2.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.angus:angus-mail
  dependency-version: 2.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -82,7 +82,7 @@ ext {
     kryoVersion = '5.6.2'
     lettuceVersion = '6.6.0.RELEASE'
     log4jVersion = '2.24.3'
-    mailVersion = '2.0.3'
+    mailVersion = '2.0.4'
     micrometerTracingVersion = '1.5.2'
     micrometerVersion = '1.15.2'
     mockitoVersion = '5.17.0'