feat: Add support for SSM parameters in get_resources

[pcjun97]

Previously, only SSM Documents were returned. This PR extends support to include SSM Parameters with tags.

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 92.94%. Comparing base (f601746) to head (0bd10e1).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
moto/resourcegroupstaggingapi/models.py	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9368      +/-   ##
==========================================
- Coverage   92.94%   92.94%   -0.01%     
==========================================
  Files        1291     1291              
  Lines      115819   115829      +10     
==========================================
+ Hits       107651   107660       +9     
- Misses       8168     8169       +1     

Flag	Coverage Δ
servertests	28.66% <36.36%> (+<0.01%)	⬆️
unittests	92.92% <90.90%> (-0.01%)	⬇️

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