v0.41.0

• bigtable:
  • Check results from PredicateFilter in bttest, which fixes certain false matches.
• profiler:
  • debugLog checks user defined logging options before logging.
• spanner:
  • PartitionedUpdates respect query parameters.
  • StartInstance allows specifying cloud API access scopes.
• bigquery:
  • Use empty slice instead of nil for ValueSaver, fixing an issue with zero-length, repeated, nested fields causing panics.
• firestore:
  • Return same number of snapshots as doc refs (in the form of duplicate records) during GetAll.
• replay:
  • Change references to IPv4 addresses to localhost, making replay compatible with IPv6.