refactor: try catch a more specific exception during log_metrics.

[GdoongMathew]

What does this PR do?

Handle a more specific exception class during TensorBoardLogger.log_metrics, and remove its todo.

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📚 Documentation preview 📚: https://pytorch-lightning--21271.org.readthedocs.build/en/21271/

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 49%. Comparing base (8f702b3) to head (0ce2830).

❌ Your project check has failed because the head coverage (49%) is below the target coverage (99%). You can increase the head coverage or adjust the target coverage.

❗ There is a different number of reports uploaded between BASE (8f702b3) and HEAD (0ce2830). Click for more details.

HEAD has 434 uploads less than BASE

Flag	BASE (8f702b3)	HEAD (0ce2830)
cpu	118	24
lightning_fabric	30	12
pytest	60	24
python3.12	36	8
python3.12.7	35	6
python3.10	12	3
lightning	59	12
python3.11	24	6
python	11	1
pytorch2.2.2	6	0
pytest-full	58	0
pytorch2.4.1	5	0
pytorch2.3	6	0
pytorch2.1	11	0
pytorch2.9	6	0
pytorch_lightning	29	0
pytorch2.7	6	0
pytorch2.5.1	6	0
pytorch2.8	6	0
pytorch2.6	6	0

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #21271     +/-   ##
=========================================
- Coverage      89%      49%    -40%     
=========================================
  Files         269      266      -3     
  Lines       22050    21994     -56     
=========================================
- Hits        19727    10844   -8883     
- Misses       2323    11150   +8827