Update GoSdk to 1.3.0 (temporalio#73)

Update dependencies

Improve ctxpropagation sample

Release v1.0.0.

Fix repo URLs in README.md

Rename main package ot match repo name

Update dependencies

Merge pull request temporalio#55 from temporalio/29

Upgrade temporal dependencies to 0.29.0

Updates GO SDK reference to 0.28.2

Updates GO SDK reference to 0.28.2

Fix merge errors (temporalio#42)