Bump com.mailgun:mailgun-java from 1.1.1 to 1.1.2 (#503)

Bumps [com.mailgun:mailgun-java](https://github.com/mailgun/mailgun-java) from 1.1.1 to 1.1.2.
- [Release notes](https://github.com/mailgun/mailgun-java/releases)
- [Changelog](https://github.com/mailgun/mailgun-java/blob/main/CHANGELOG.md)
- [Commits](https://github.com/mailgun/mailgun-java/commits)

---
updated-dependencies:
- dependency-name: com.mailgun:mailgun-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Alex Gonzalez <spokenbird@gmail.com>
Co-authored-by: B. Seeger <bseeger@users.noreply.github.com>

build.gradle

@@ -81,7 +81,7 @@ dependencies {
     implementation 'com.smartystreets.api:smartystreets-java-sdk:3.16.1'
     implementation 'com.github.librepdf:openpdf:1.3.39'
     implementation 'org.yaml:snakeyaml:2.2'
-    implementation 'com.mailgun:mailgun-java:1.1.1'
+    implementation 'com.mailgun:mailgun-java:1.1.2'
     implementation 'com.google.crypto.tink:tink:1.12.0'
     implementation 'org.springframework.session:spring-session-jdbc'