Bump to next development version

Author: garydgregory

pom.xml

@@ -25,7 +25,7 @@
     <version>87</version>
   </parent>
   <artifactId>commons-skin</artifactId>
-  <version>5.1.0</version>
+  <version>5.1.1-SNAPSHOT</version>
   <name>Apache Commons Skin</name>
   <description>Apache Commons Skin</description>
   <inceptionYear>2006</inceptionYear>
@@ -61,7 +61,7 @@
     <commons.distSvnStagingUrl></commons.distSvnStagingUrl>
     <moditect.skip>true</moditect.skip>
     <!-- project.build.outputTimestamp is managed by Maven plugins, see https://maven.apache.org/guides/mini/guide-reproducible-builds.html -->
-    <project.build.outputTimestamp>2025-09-13T13:08:24Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2025-09-16T19:30:46Z</project.build.outputTimestamp>
   </properties>
   <build>
     <defaultGoal>clean artifact:check-buildplan verify</defaultGoal>