Bump org.apache.maven.plugins:maven-assembly-plugin (#838)

Bumps [org.apache.maven.plugins:maven-assembly-plugin](https://github.com/apache/maven-assembly-plugin) from 3.6.0 to 3.7.0.
- [Commits](https://github.com/apache/maven-assembly-plugin/compare/maven-assembly-plugin-3.6.0...maven-assembly-plugin-3.7.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-assembly-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

planetiler-examples/standalone.pom.xml

@@ -90,7 +90,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>3.6.0</version>
+        <version>3.7.0</version>
         <dependencies>
           <dependency>
             <groupId>com.onthegomap.planetiler</groupId>