Bump the maven group with 2 updates (#31)

Bumps the maven group with 2 updates: [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) and org.sonatype.plugins:nexus-staging-maven-plugin.


Updates `org.apache.maven.plugins:maven-javadoc-plugin` from 3.6.3 to 3.7.0
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.6.3...maven-javadoc-plugin-3.7.0)

Updates `org.sonatype.plugins:nexus-staging-maven-plugin` from 1.6.13 to 1.7.0

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-javadoc-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
- dependency-name: org.sonatype.plugins:nexus-staging-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -181,7 +181,7 @@
  <plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-javadoc-plugin</artifactId>
- <version>3.6.3</version>
+ <version>3.7.0</version>
  <executions>
  <execution>
  <id>attach-javadocs</id>
@@ -214,7 +214,7 @@
  <plugin>
  <groupId>org.sonatype.plugins</groupId>
  <artifactId>nexus-staging-maven-plugin</artifactId>
- <version>1.6.13</version>
+ <version>1.7.0</version>
  <extensions>true</extensions>
  <configuration>
  <serverId>ossrh</serverId>