Pass SLACK_WEBHOOK_URL to release script

[ghengeveld]

Unfortunately the last release failed due a missing Slack URL. This URL is configures as an environment variable on the repo, but it needs to be explicitly passed to the release step in the GitHub Action.

📦 Published PR as canary version: 11.5.1--canary.992.9321691749.0

✨ Test out this PR locally via:

npm install chromatic@11.5.1--canary.992.9321691749.0
# or 
yarn add chromatic@11.5.1--canary.992.9321691749.0

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅ (target: 80.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (24e744c)	8471	6675	78.80%
Head commit (711c592)	8471 (+0)	6675 (+0)	78.80% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#992)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

_{Codacy will stop sending the deprecated coverage status from June 5th, 2024. Learn more}

[ethriel3695]

Thanks for adding this and catching it!

[ghengeveld]

🚀 PR was released in v11.5.0 🚀