Add GitHub Actions workflow to notify Zulip on release

[jimboid]

Summary

Add notify on release for the zulip app so that an announcement is made when a github release is fired.

Impact

Improves user engagement with software applications, once we have announcments working we can also automate sending them out across the various communications streams. It improves visibility of the activity going on in our various channels.

[coveralls]

Coverage Report for CI Build 32874261395

Warning

Build has drifted: This PR's base is out of sync with its target branch, so coverage data may include unrelated changes.
Quick fix: rebase this PR. Learn more →

Coverage decreased (-9.9%) to 78.825%

Details

• Coverage decreased (-9.9%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• 112 coverage regressions across 4 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

112 previously-covered lines in 4 files lost coverage.

File	Lines Losing Coverage	Coverage
biosimdb_interface/form/upload.py	59	58.45%
biosimdb_interface/form/webform.py	46	67.32%
biosimdb_interface/form/extract.py	5	89.47%
biosimdb_interface/init.py	2	93.94%

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Coverage Stats

Relevant Lines:	732
Covered Lines:	577
Line Coverage:	78.83%
Coverage Strength:	7.09 hits per line

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💛 - Coveralls