chore: add dependabot cooldown#4

kwent merged 1 commit intomasterrootlyhq/rootly-python:masterfrom

feature/sec-125-roll-out-github-actions-pinning-and-dependabot-cooldown-inrootlyhq/rootly-python:feature/sec-125-roll-out-github-actions-pinning-and-dependabot-cooldown-inCopy head branch name to clipboard