v2.3.8 - new channel export as CSV command

What’s Changed

• export channel as CSV (#569) @brainexe
• openai: use gpt-4o by default (#572) @brainexe

Misc

• require go 1.21 + updated linters (#565) @brainexe
• require go 1.21.9 for security patches (#574) @brainexe

Dependency updates

• build(deps): bump docker/build-push-action from 5.3.0 to 5.4.0 (#573) @dependabot
• build(deps): bump github.com/redis/go-redis/v9 from 9.5.1 to 9.5.2 (#567) @dependabot
• build(deps): bump golang.org/x/text from 0.15.0 to 0.16.0 (#568) @dependabot
• build(deps): bump docker/login-action from 3.1.0 to 3.2.0 (#566) @dependabot
• build(deps): bump github.com/xanzy/go-gitlab from 0.103.0 to 0.104.1 (#561) @dependabot
• build(deps): bump golangci/golangci-lint-action from 5.3.0 to 6.0.1 (#563) @dependabot
• build(deps): bump golang.org/x/net from 0.20.0 to 0.23.0 (#554) @dependabot