Update jgit.version to v7.7.0.202606012155-r

Author: renovate[bot]

pom.xml

@@ -42,7 +42,7 @@
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.516</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.3</jenkins.version>
-    <jgit.version>7.6.0.202603022253-r</jgit.version>
+    <jgit.version>7.7.0.202606012155-r</jgit.version>
     <spotbugs.effort>Max</spotbugs.effort>
     <spotbugs.threshold>Low</spotbugs.threshold>
     <spotless.check.skip>false</spotless.check.skip>