Improve doc strings for node similarity 

Prepare for 1.17 release 

Merge pull request #922 from DarthMax/arrow_wcc_endpoints_integration… …_tests Wcc Endpoints + integration tests

Prepare 1.16 release 

Temporarily switch to 1.15.1 (cherry picked from commit 6cefafc)

Merge pull request #878 from neo4j/arrow-flakyness Fixes to enable diagnose of flaky `graph.construct` test using Arrow

Fix tests 

Update version to include alpha suffix 

Remove unused arrow_client package also format code

Update GDS server version compat table