Bump maven-release-plugin in /json-smart-action (#122)

Author: dependabot[bot]

json-smart-action/pom.xml

@@ -117,7 +117,7 @@
  <plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-release-plugin</artifactId>
- <version>3.0.0-M6</version>
+ <version>3.0.0-M7</version>
  <configuration>
  <mavenExecutorId>forked-path</mavenExecutorId>
  <arguments>-Psonatype-oss-release</arguments>