[StorageMgmt] Rename networkAcls to NetworkRuleSet

[AutorestCI]

Generated from RestAPI PR: Azure/azure-rest-api-specs#1494

[codecov-io]

Codecov Report

Merging #1382 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #1382   +/-   ##
=======================================
  Coverage   54.76%   54.76%           
=======================================
  Files        3052     3052           
  Lines       76806    76806           
=======================================
  Hits        42062    42062           
  Misses      34744    34744

Impacted Files	Coverage Δ
...storage/v2017_06_01/models/virtual_network_rule.py	62.5% <ø> (ø)	⬆️
...storage/v2017_06_01/models/metric_specification.py	30.76% <ø> (ø)	⬆️
...azure/mgmt/storage/v2017_06_01/models/dimension.py	66.66% <ø> (ø)	⬆️
.../azure/mgmt/storage/v2017_06_01/models/__init__.py	100% <100%> (ø)	⬆️
...mgmt/storage/v2017_06_01/models/storage_account.py	100% <100%> (ø)	⬆️
..._06_01/models/storage_account_update_parameters.py	100% <100%> (ø)	⬆️
..._06_01/models/storage_account_create_parameters.py	100% <100%> (ø)	⬆️
...gmt/storage/v2017_06_01/models/network_rule_set.py	55.55% <100%> (ø)

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[lmazuel]

@tjprescott FYI

[lmazuel]

In #1403