Bump gremlinpython from 3.7.2 to 3.7.3

Bumps [gremlinpython](https://github.com/apache/tinkerpop) from 3.7.2 to 3.7.3.
- [Changelog](https://github.com/apache/tinkerpop/blob/master/CHANGELOG.asciidoc)
- [Commits](apache/tinkerpop@3.7.2...3.7.3)

---
updated-dependencies:
- dependency-name: gremlinpython
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -3,4 +3,4 @@ aiohttp==3.10.10
 # on Python 3.11 and 3.12 this is not installed automatically as dependency of aiohttp
 async-timeout==4.0.3
 
-gremlinpython==3.7.2
+gremlinpython==3.7.3