deps(apm-agent-java): Update APM Agent Java to 1.51.0 (#317)

* chore: Update .version file

Made with ❤️️ by updatecli

* chore: Set apm-agent version in Dockerfile

Made with ❤️️ by updatecli

* chore: Set org.label-schema.version in Dockerfile

Made with ❤️️ by updatecli

Author: obltmachine

.version

@@ -1 +1 @@
-1.50.0
+1.51.0

Dockerfile

@@ -47,7 +47,7 @@ LABEL \
     org.label-schema.schema-version="1.0" \
     org.label-schema.vendor="Elastic" \
     org.label-schema.name="opbeans-java" \
-    org.label-schema.version="1.50.0" \
+    org.label-schema.version="1.51.0" \
     org.label-schema.url="https://hub.docker.com/r/opbeans/opbeans-java" \
     org.label-schema.vcs-url="https://github.com/elastic/opbeans-java" \
     org.label-schema.license="MIT"