Add Google Workspace managed log source w/ Logins as 1st table

[Samrose-Ahmed]

• Implement poller + parsers/schema for Logins

Testing

Logtest

• Tests passed in https://github.com/matanolabs/logtest/commit/ebfdb4ca89d5504830aec47026fbad084b29c9b4

Manual

• Manually deployed and tested

Docs

• At https://www.matano.dev/docs/log-sources/managed/google-workspace

closes #79 ref #78

Signed-off-by: 🐼 Samrose Ahmed 🐼 samroseahmed@gmail.com