feat: log record attribute value length limit

[proost]

Fix: #4126

Changes

Adding new feature OTEL_LOGRECORD_ATTRIBUTE_VALUE_LENGTH_LIMIT following spec.

I referred below:
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#logrecord-limits
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/sdk.md#logrecord-limits
https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/sdk.md#logrecord-limits

Following spec, I changed SDK only.

I plan to apply decorator way. Before setter called, I tried to enforce this feature to log record. Problem is this is inevitable to current SDK. If have any suggestions, please give me some feedback.

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[codecov]

Codecov Report

❌ Patch coverage is 91.17647% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.96%. Comparing base (e649c7f) to head (241b298).

Files with missing lines	Patch %	Lines
sdk/include/opentelemetry/sdk/logs/recordable.h	86.67%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4132      +/-   ##
==========================================
+ Coverage   81.94%   81.96%   +0.03%     
==========================================
  Files         385      387       +2     
  Lines       16067    16123      +56     
==========================================
+ Hits        13164    13214      +50     
- Misses       2903     2909       +6     

Files with missing lines	Coverage Δ
...emetry/exporters/elasticsearch/es_log_recordable.h	0.00% <ø> (ø)
exporters/elasticsearch/src/es_log_recordable.cc	65.39% <100.00%> (ø)
...opentelemetry/exporters/otlp/otlp_log_recordable.h	100.00% <ø> (ø)
exporters/otlp/src/otlp_log_recordable.cc	36.06% <100.00%> (ø)
sdk/include/opentelemetry/sdk/logs/logger_config.h	100.00% <100.00%> (ø)
sdk/src/logs/log_record_limits.cc	100.00% <100.00%> (ø)
sdk/src/logs/logger.cc	89.54% <100.00%> (+0.13%)	⬆️
sdk/src/logs/logger_config.cc	100.00% <100.00%> (ø)
sdk/src/logs/multi_recordable.cc	90.55% <100.00%> (ø)
sdk/src/logs/read_write_log_record.cc	96.35% <100.00%> (ø)
... and 1 more

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