[logs-api/sdk] Rename several classes from Log to LogRecord

[hectorhdzg]

Description

Rename the following classes to maintain consistency with specs and other languages implementations.

LogData to LogRecordData
LogLimits to LogRecordLimits
LogExporter to LogRecordExporter
LogExportResult to LogRecordExportResult
ConsoleLogExporter to ConsoleLogRecordExporter
InMemoryLogExporter to InMemoryLogRecordExporter
LogDeprecatedInitWarning to LogRecordDeprecatedInitWarning
LogDroppedAttributesWarning to LogRecordDroppedAttributesWarning

Fixes #4321

Type of change

Please delete options that are not relevant.

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Does This PR Require a Contrib Repo Change?

• Yes. - Link to PR: Rename InMemoryLogExporter to InMemoryLogRecordExporter opentelemetry-python-contrib#3589
• No.

[xrmx]

Wondering as an alternative we can keep the old name around wrapped with deprecated to at least have a chance for downstream user to handle this more gently? e.g.:

@deprecated("Use LogRecordData. Since logs are not stable yet this WILL be removed in future releases.")
class LogData(LogRecordData):
    pass

[hectorhdzg]

Thanks for reviewing @xrmx, addressed your feedback, let me know if there is any other concern