chore: Mark some table attributes as optional

[darwin67]

Summary

This change made the following attributes optional.

• time_partitioning
• range_partitioning
• expiration_time
• labels

It's completely valid (and have legitimate reasons to) not to provide the attributes in the google_bigquery_table resource.

Currently, these attributes are treated as required and cause the plan, apply to fail if not provided.

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[darwin67]

@davenportjw @g-awmalik @bharathkkb pinging for awareness.

[github-actions[bot]]

This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[darwin67]

not stale

[darwin67]

@davenportjw @shanecglass

[github-actions[bot]]

This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days