DYN-7654: Update publish message for Package published via Dynamo

[zeusongit]

Purpose

Since package publishing is now synchronous and instant, packages will be visible almost instantly in the search list after re-opening the PM window. Therefore removing the 15 minutes reference from post publish message.

Declarations

Check these if you believe they are true

• The codebase is in a better state after this PR
• Is documented according to the standards
• The level of testing this PR includes is appropriate
• User facing strings, if any, are extracted into *.resx files
• All tests pass using the self-service CI.
• Snapshot of UI changes, if any.
• Changes to the API follow Semantic Versioning and are documented in the API Changes document.
• This PR modifies some build requirements and the readme is updated
• This PR contains no files larger than 50 MB

Release Notes

Update publish message for Package published via Dynamo

Reviewers

@DynamoDS/dynamo

[github-actions]

See the ticket for this pull request: https://jira.autodesk.com/browse/DYN-7654