Bump tinkerpop.version from 3.6.4 to 3.7.0 (#324)

Bumps `tinkerpop.version` from 3.6.4 to 3.7.0.

Updates `org.apache.tinkerpop:gremlin-core` from 3.6.4 to 3.7.0
- [Changelog](https://github.com/apache/tinkerpop/blob/master/CHANGELOG.asciidoc)
- [Commits](apache/tinkerpop@3.6.4...3.7.0)

Updates `org.apache.tinkerpop:gremlin-test` from 3.6.4 to 3.7.0
- [Changelog](https://github.com/apache/tinkerpop/blob/master/CHANGELOG.asciidoc)
- [Commits](apache/tinkerpop@3.6.4...3.7.0)

---
updated-dependencies:
- dependency-name: org.apache.tinkerpop:gremlin-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.tinkerpop:gremlin-test
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -36,7 +36,7 @@
         <maven.compiler.target>11</maven.compiler.target>
         <hbase.version>2.5.5-hadoop3</hbase.version>
         <hadoop.version>2.10.2</hadoop.version>
-        <tinkerpop.version>3.6.4</tinkerpop.version>
+        <tinkerpop.version>3.7.0</tinkerpop.version>
         <kryo.version>5.5.0</kryo.version>
         <bigtable-hbase.version>2.10.0</bigtable-hbase.version>
         <giraph.version>1.3.0-hadoop2</giraph.version>