Bump svnkit from 1.8.12 to 1.10.3

Bumps svnkit from 1.8.12 to 1.10.3.

---
updated-dependencies:
- dependency-name: org.tmatesoft.svnkit:svnkit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -81,7 +81,7 @@
   </issueManagement>
 
   <properties>
-    <maven.scm.version>1.11.3</maven.scm.version>
+    <maven.scm.version>1.12.0</maven.scm.version>
     <maven.api.version>3.0</maven.api.version>
     <mojo.java.target>1.7</mojo.java.target>
     <maven.it.version>3.1.1</maven.it.version>
@@ -180,7 +180,7 @@
     <dependency>
       <groupId>org.tmatesoft.svnkit</groupId>
       <artifactId>svnkit</artifactId>
-      <version>1.8.12</version>
+      <version>1.10.3</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>