[AutoPR postgresql/resource-manager] correct tier enum for postgres

[AutorestCI]

Created to sync Azure/azure-rest-api-specs#2629

[AutorestCI]

(message created by the CI based on PR content)

Installation instruction

Package azure-mgmt-rdbms

You can install the package azure-mgmt-rdbms of this PR using the following command:
pip install "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_2629#egg=azure-mgmt-rdbms&subdirectory=azure-mgmt-rdbms"

You can build a wheel to distribute for test using the following command:
pip wheel --no-deps "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_2629#egg=azure-mgmt-rdbms&subdirectory=azure-mgmt-rdbms"

If you have a local clone of this repository, you can also do:

• git checkout restapi_auto_2629
• pip install -e ./azure-mgmt-rdbms

Or build a wheel file to distribute for testing:

• git checkout restapi_auto_2629
• pip wheel --no-deps ./azure-mgmt-rdbms

Direct download

Your files can be directly downloaded here:

• azure_mgmt_rdbms-0.3.1-py2.py3-none-any.whl
• azure-mgmt-rdbms-0.3.1.zip

[codecov-io]

Codecov Report

Merging #2143 into restapi_auto_postgresql/resource-manager will not change coverage.
The diff coverage is n/a.

@@                            Coverage Diff                            @@
##           restapi_auto_postgresql/resource-manager    #2143   +/-   ##
=========================================================================
  Coverage                                     53.55%   53.55%           
=========================================================================
  Files                                          5135     5135           
  Lines                                        123513   123513           
=========================================================================
  Hits                                          66144    66144           
  Misses                                        57369    57369

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