Add replication and scheduler operations to the migration guide

[mojito317]

Checklist

• [x] Tick to sign-off your agreement to the Developer Certificate of Origin (DCO) 1.1
• [x] Added tests for code changes or test/build only changes
• [x] Updated the change log file (CHANGES.md) or test/build only changes
• [x] Completed the PR template below:

Description

Replication related operations were missing from the migration guide.

Approach

I added some replication and scheduler related missing operations in the migration guide table. There was not identical operation like postReplicate, so I removed it.

Schema & API Changes

• "No change"

Security and Privacy

• "No change"

Testing

• "No change"

Monitoring and Logging

• "No change"

[mojito317]

Thanks for the reviews @ricellis and @vmatyusGitHub! I'm about to merge this.