fix(deps): vuln github.com/slack-go/slack (unstable → v0.27.0)

[gh-worker-campaigns-3e9aa4]

Summary: Security update — 1 package upgraded (UNSTABLE changes included)

Manifests changed:

• . (go)

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✅ Action Required: Please review the changes below. If they look good, approve and merge this PR.

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Updates

Package	From	To	Type	Dep Type	Vulnerabilities Fixed
github.com/slack-go/slack	v0.17.3	v0.27.0	unstable	Direct	1 MEDIUM

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Security Details

ℹ️ Other Vulnerabilities (1)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In	Case
github.com/slack-go/slack	GHSA-gxhx-2686-5h9g	MODERATE	slack-go SecretsVerifier accepts empty signing secret without precondition	v0.17.3	0.23.1	View

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Review Checklist

Standard review:

• Review changes for compatibility with your code
• Check for breaking changes in release notes
• Run tests locally or wait for CI
• Approve and merge this PR

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Update Mode: all_vulns

🤖 Generated by DataDog Automated Dependency Management System

[datadog-datadog-us1-prod]

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 45.87% (+0.00%)

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