Update dependency org.jenkins-ci.plugins:git-client to v6

Author: mend-for-github-com[bot]

build.gradle

@@ -77,7 +77,7 @@ sharedLibrary {
         dependency('org.jenkins-ci.plugins', 'pipeline-input-step', '456.vd8a_957db_5b_e9') // https://repo.jenkins-ci.org/public/org/jenkins-ci/plugins/pipeline-input-step/
         dependency('org.jenkins-ci.plugins', 'script-security', '1229.v4880b_b_e905a_6')
         dependency('org.jenkins-ci.plugins', 'credentials', '1112.vc87b_7a_3597f6')
-        dependency('org.jenkins-ci.plugins', 'git-client', '3.11.1')
+        dependency('org.jenkins-ci.plugins', 'git-client', '6.1.4')
         dependency('org.jenkins-ci.plugins', 'junit', '1207.va_09d5100410f')
         dependency('org.jenkins-ci.plugins', 'mailer', '408.vd726a_1130320') // https://repo.jenkins-ci.org/public/org/jenkins-ci/plugins/mailer/
     }