Version 1.0.0 release

This is an initial release for this tool.

What's Changed

• ODP-2724: add ChangeVersion functionality by @prabhjyotsingh in #1
• ODP-5225: Allow repositories without defined parents to sync tags by @JeffreySmith in #2
• ODP-5234: Add a repository backup blacklist by @JeffreySmith in #3
• ODP-5236: Update 'change-version' to be 'modify' by @JeffreySmith in #4
• Cleanup error types and messages by @JeffreySmith in #5
• ODP-5235: Make backups atomic by default by @JeffreySmith in #6
• ODP-5394: Continue PR creation instead of cancelling when there's an error/no changes by @JeffreySmith in #7

Full Changelog: https://github.com/acceldata-io/git_sync/commits/v1.0.0