Issue 1543 fix variable length relationship deprecation in cypher

[amitsuryavanshi]

Fixes #1543

This pull introduces/changes:

• The cypher generated for user.roles(rel_length: :any) as MATCH (user)-[rel1:role*]->(result_roles:Role) RETURN result_roles to MATCH p=(user)-[:role*]->(result_roles:Role) RETURN result_roles

This is required as ()-[r:relation_name*]->() syntax is going to be deprecated in neo4j cypher.

[codecov-io]

Codecov Report

Merging #1544 into master will increase coverage by <.01%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1544      +/-   ##
==========================================
+ Coverage    93.4%   93.41%   +<.01%     
==========================================
  Files         104      104              
  Lines        4809     4816       +7     
==========================================
+ Hits         4492     4499       +7     
  Misses        317      317

Impacted Files	Coverage Δ
.../neo4j/active_node/query/query_proxy_enumerable.rb	98.03% <100%> (+0.08%)	:arrow_up:
lib/neo4j/active_node/query/query_proxy_methods.rb	96.55% <100%> (ø)	:arrow_up:
lib/neo4j/active_node/query/query_proxy.rb	94.64% <100%> (+0.16%)	:arrow_up:

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