Bumps all actions (minus actions/*-artifact) to latest versions

What's Changed

• Adds dependabot config to upgrade github-actions by @mike-carey in #56
• Corrects wildcard pattern in the dependabot config by @mike-carey in #62
• Configure dependabot to cover actions/ and .github/actions/ by @mike-carey in #64
• Use wildcards for actions by @mike-carey in #65
• Bump actions/download-artifact from 2 to 3 in /.github/actions/test-render-task-definition by @dependabot in #68
• Bump the all-actions group across 18 directories with 13 updates by @dependabot in #66

New Contributors

• @dependabot made their first contribution in #68

Full Changelog: v3...v3.2.0