[Bug] Make the ruamel integeration compatiable with legacy versions

[qrtt1]

Fix #923

PR checklist

• [x] Ensure you have added or ran the appropriate tests for your PR.
• [x] DCO signed

What type of PR is this?

bugfix

What this PR does / why we need it:

• Make the yaml parser more compatible with legacy versions

Which issue(s) this PR fixes:

sc-32539

Special notes for your reviewer:

We also re-arrange the test matrix by tox.

[codecov[bot]]

Codecov Report

Merging #925 (3b558cf) into main (02b474b) will decrease coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #925      +/-   ##
==========================================
- Coverage   48.48%   48.48%   -0.01%     
==========================================
  Files          63       63              
  Lines        9066     9064       -2     
==========================================
- Hits         4396     4395       -1     
+ Misses       4670     4669       -1     

Files	Coverage Δ
piperider_cli/yaml/__init__.py	72.97% <100.00%> (-1.39%)	:arrow_down:

... and 1 file with indirect coverage changes

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[popcornylu]

Fix #923