chore(deps): bump com.google.cloud.tools.jib in /backend/api

Bumps com.google.cloud.tools.jib from 3.4.1 to 3.4.2.

---
updated-dependencies:
- dependency-name: com.google.cloud.tools.jib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/api/build.gradle

@@ -27,7 +27,7 @@ plugins {
     id 'io.spring.dependency-management' version '1.1.4'
     id "org.jetbrains.kotlin.plugin.spring"
     id "org.jetbrains.kotlin.jvm"
-    id "com.google.cloud.tools.jib" version "3.4.1"
+    id "com.google.cloud.tools.jib" version "3.4.2"
 }
 
 description = 'GraphQL API'