Update dependency io.github.sparsick.testcontainers.gitserver:testcontainers-gitserver to v0.16.0

Author: renovate[bot]

pom.xml

@@ -195,7 +195,7 @@
     <dependency>
       <groupId>io.github.sparsick.testcontainers.gitserver</groupId>
       <artifactId>testcontainers-gitserver</artifactId>
-      <version>0.15.0</version>
+      <version>0.16.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>