Feast v0.10.3

Implemented enhancements:

• Add support for third party providers #1501 (tsotnet)
• Infer entity dataframe event timestamp column #1495 (jklegar)
• Allow Feast apply to import files recursively (and add .feastignore) #1482 (tsotnet)

Fixed bugs:

• Bump supported Python version to 3.7 #1504 (tsotnet)
• Fix bug in allowing empty repositories to be applied to a GCS registry #1488 (woop)

Merged pull requests:

• Add a fixed timestamp to quickstart data #1513 (jklegar)
• Make gcp imports optional #1512 (jklegar)
• Fix documentation inconsistency #1510 (jongillham)
• pre-commit command typo fix in CONTRIBUTING.md #1506 (mavysavydav)
• Add optional telemetry to other CLI commands #1505 (jklegar)
• Pass entities information to Provider #1498 (MattDelac)
• Update broken urls in contributing.md #1489 (tedhtchang)
• Python docs formatting fixes #1473 (jklegar)