chore: release 0.5.1-SNAPSHOT (#52)

* updated versions.txt [ci skip]

* updated pom.xml

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

pom.xml

@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-shared-dependencies</artifactId>
   <packaging>pom</packaging>
-  <version>0.5.0</version><!-- {x-version-update:google-cloud-shared-dependencies:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-shared-dependencies:current} -->
   <name>Google Cloud Shared Dependencies</name>
   <url>https://github.com/googleapis/java-shared-dependencies</url>
   <description>

versions.txt

@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-shared-dependencies:0.5.0:0.5.0
+google-cloud-shared-dependencies:0.5.0:0.5.1-SNAPSHOT