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ci: improve security posture with dependabot cooldowns#761

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dguido merged 1 commit intomasterfrom
dev/dependabot-cooldown
Jan 20, 2026
Merged

ci: improve security posture with dependabot cooldowns#761
dguido merged 1 commit intomasterfrom
dev/dependabot-cooldown

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@dguido dguido commented Jan 20, 2026

Summary

  • Add 7-day cooldowns to dependabot.yml for supply chain protection
  • Add default permissions block (contents: read) to ci.yml
  • Add persist-credentials: false to all checkout actions

Security Improvements

These changes address findings from zizmor security audit:

Before After
67 findings 56 findings
6 low (artipacked) 0 low
5 medium (excessive-permissions) 0 medium

The remaining 29 high-severity findings are unpinned action references, which will be addressed incrementally by dependabot PRs.

Test plan

  • CI passes
  • actionlint validates workflows

🤖 Generated with Claude Code

- Add 7-day cooldowns to dependabot.yml for supply chain protection
- Add default permissions block (contents: read) to ci.yml
- Add persist-credentials: false to all checkout actions

These changes address security findings from zizmor:
- Fixed artipacked warnings (credential persistence)
- Fixed excessive-permissions warnings

Co-Authored-By: Claude Opus 4.5 <[email protected]>
@dguido dguido merged commit 3a6d537 into master Jan 20, 2026
11 of 12 checks passed
@dguido dguido deleted the dev/dependabot-cooldown branch January 20, 2026 21:45
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