feat: support IMDS v2 default for ecs ram role

[yndu13]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 86.23853% with 15 lines in your changes missing coverage. Please review.

Project coverage is 81.66%. Comparing base (5ff1adb) to head (719617d).

Files with missing lines	Patch %	Lines
alibabacloud_credentials/providers.py	86.66%	6 Missing ⚠️
tests/test_providers.py	91.07%	5 Missing ⚠️
alibabacloud_credentials/models.py	20.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #48      +/-   ##
==========================================
+ Coverage   80.71%   81.66%   +0.95%     
==========================================
  Files          17       17              
  Lines        1825     1876      +51     
==========================================
+ Hits         1473     1532      +59     
+ Misses        352      344       -8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.