[Fix] CheckpointHook behavior incorrect if given filename_tmpl argument

[C1rN09]

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Motivation

Fix TypeError when saving checkpoints if is CheckpointHook is constructed with argument filename_tmpl

Modification

• Add filename_tmpl to CheckpointHook's keyword argument
• Add more unit tests

BC-breaking (Optional)

No

Use cases (Optional)

Checklist

• Pre-commit or other linting tools are used to fix the potential lint issues.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• If the modification has potential influence on downstream projects, this PR should be tested with downstream projects, like MMDet or MMCls.
• The documentation has been modified accordingly, like docstring or example tutorials.

[codecov]

Codecov Report

Base: 77.68% // Head: 77.85% // Increases project coverage by +0.16% 🎉

Coverage data is based on head (26b2352) compared to base (ca0364b).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 26b2352 differs from pull request most recent head 11b7f7a. Consider uploading reports for the commit 11b7f7a to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #518      +/-   ##
==========================================
+ Coverage   77.68%   77.85%   +0.16%     
==========================================
  Files         116      116              
  Lines        8612     8610       -2     
  Branches     1778     1779       +1     
==========================================
+ Hits         6690     6703      +13     
+ Misses       1623     1609      -14     
+ Partials      299      298       -1     

Flag	Coverage Δ
unittests	77.85% <100.00%> (+0.16%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmengine/hooks/checkpoint_hook.py	89.94% <100.00%> (+0.10%)	⬆️
mmengine/utils/dl_utils/collect_env.py	44.44% <0.00%> (-0.77%)	⬇️
mmengine/model/averaged_model.py	94.82% <0.00%> (ø)
mmengine/structures/instance_data.py	100.00% <0.00%> (ø)
...engine/model/wrappers/fully_sharded_distributed.py	0.00% <0.00%> (ø)
mmengine/runner/runner.py	86.20% <0.00%> (+0.46%)	⬆️
mmengine/hooks/ema_hook.py	100.00% <0.00%> (+6.66%)	⬆️
mmengine/utils/dl_utils/parrots_wrapper.py	58.82% <0.00%> (+10.29%)	⬆️

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