build(deps): bump org.eclipse.jgit:org.eclipse.jgit in /system-tests (#4552)

Bumps org.eclipse.jgit:org.eclipse.jgit from 6.6.0.202305301015-r to 6.6.1.202309021850-r.

---
updated-dependencies:
- dependency-name: org.eclipse.jgit:org.eclipse.jgit
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -192,7 +192,7 @@
         <snakeyaml.version>2.2</snakeyaml.version>
         <guava.version>33.1.0-jre</guava.version>
         <woodstox-core.version>6.6.2</woodstox-core.version>
-        <jgit.version>6.9.0.202403050737-r</jgit.version>
+        <jgit.version>6.6.1.202309021850-r</jgit.version>
         <awaitility.version>4.2.1</awaitility.version>
 
         <!-- Kafka Connect -->

system-tests/pom.xml

@@ -25,7 +25,7 @@
         <version.hamcrest>2.2</version.hamcrest>
         <version.slf4.simple>2.0.7</version.slf4.simple>
         <version.strimzi.api>0.36.0</version.strimzi.api>
-        <version.eclipse.jgit>6.6.0.202305301015-r</version.eclipse.jgit>
+        <version.eclipse.jgit>6.6.1.202309021850-r</version.eclipse.jgit>
         <version.org.json>20231013</version.org.json>
         <version.apache.commons>3.12.0</version.apache.commons>
         <version.apache.httpcomponents>5.2.2</version.apache.httpcomponents>