Try rename opentelemetry_sdk to opentelemetry-sdk

[cijothomas]

Fixes #
Design discussion issue (if applicable) #

Changes

Please provide a brief description of the changes here.

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[shaun-cox]

This might have ramification on how or if this can be pushed to crates.io, I suspect. Should we consult with someone with more knowledge of the cargo publishing process to understand the consequences?

[cijothomas]

This might have ramification on how or if this can be pushed to crates.io, I suspect. Should we consult with someone with more knowledge of the cargo publishing process to understand the consequences?

yes, I intend to do some research before attempting! Thanks.