v1.4.0

Changelog

• 4dd3424 Merge pull request #21 from rahacloud/dependabot/go_modules/resty.dev/v3-3.0.0-rc.4
• 37d9ad6 Merge pull request #23 from rahacloud/dependabot/go_modules/github.com/knadh/koanf/providers/env/v2-2.0.2
• 411438e build(deps): bump github.com/knadh/koanf/providers/env/v2
• 319b425 build(deps): bump github.com/knadh/koanf/v2 from 2.3.7 to 2.3.8 (#25)
• 80c9dab build(deps): bump github.com/pterm/pterm from 0.12.83 to 0.12.84 (#24)
• fc263b6 build(deps): bump resty.dev/v3 from 3.0.0-rc.3 to 3.0.0-rc.4
• 75481c8 build(deps): update go packages and distroless base to debian13
• de01605 feat(checker): TCP connect checks
• 1933759 feat(checker): fail checks whose TLS certificate is about to expire
• 94a1649 feat(proxy): route checks and alerts through a configurable proxy
• 52b6cdb test(proxy): cover the TCP dialer selection
• 744e60f test(scheduler): check Start error in jitter test (errcheck)