[SQL] Add swagger changes for zone redundancy property to databases, elastic pools and editions

[AutorestCI]

Generated from RestAPI PR: Azure/azure-rest-api-specs#1813

[codecov-io]

Codecov Report

Merging #1555 into master will decrease coverage by <.01%.
The diff coverage is 54.54%.

@@            Coverage Diff             @@
##           master    #1555      +/-   ##
==========================================
- Coverage   54.17%   54.17%   -0.01%     
==========================================
  Files        3590     3590              
  Lines       88625    88631       +6     
==========================================
+ Hits        48012    48013       +1     
- Misses      40613    40618       +5

Impacted Files	Coverage Δ
...mt-sql/azure/mgmt/sql/models/edition_capability.py	55.55% <0%> (-6.95%)	⬇️
...mgmt/sql/models/elastic_pool_edition_capability.py	55.55% <0%> (-6.95%)	⬇️
azure-mgmt-sql/azure/mgmt/sql/models/database.py	100% <100%> (ø)	⬆️
azure-mgmt-sql/azure/mgmt/sql/version.py	100% <100%> (ø)	⬆️
...ure-mgmt-sql/azure/mgmt/sql/models/elastic_pool.py	33.33% <50%> (-2.39%)	⬇️
...-mgmt-sql/azure/mgmt/sql/models/database_update.py	15.15% <50%> (-0.48%)	⬇️
...t-sql/azure/mgmt/sql/models/elastic_pool_update.py	33.33% <50%> (-2.39%)	⬇️

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