CI: Create a release for PRs

[35C4n0r]

Description

Create a Github action that creates a new release of agentapi. This would help in testing out the changes before merging to main (in which case we get the preview release).

Intended Behaviour of the action

Create a PR

• Create a release with name agentapi_{PR_NUMBER}

New commit in the PR

• Update the release agentapi_{PR_NUMBER} with the new build

Close/Merge the PR

• Delete the release

[35C4n0r]

cc: @matifali @johnstcn