Bump com.google.cloud.tools.jib from 3.3.0 to 3.4.0 (#896)

Bumps com.google.cloud.tools.jib from 3.3.0 to 3.4.0.

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

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

application/build.gradle

@@ -6,7 +6,7 @@ buildscript {
 
 plugins {
     id 'application'
-    id 'com.google.cloud.tools.jib' version '3.3.0'
+    id 'com.google.cloud.tools.jib' version '3.4.0'
     id 'com.github.johnrengelman.shadow' version '8.1.0'
     id 'database-settings'
 }