integrations/caddy/v0.1.0

feat(caddy): add Docker image build to release workflow

- Split caddy-release.yaml into binaries + docker jobs
- Add Dockerfile for multi-arch image (linux/amd64, linux/arm64)
- Image: ghcr.io/geektr-cloud/acme-hub/caddy:VERSION + :latest
- Use docker buildx with GitHub Actions cache
- All actions updated to latest versions

acmehub-cli 0.0.1

Changelog

• 6ce9f37 fix(cli): use temporary semver tag for goreleaser

integrations/caddy/v0.0.1

fix(caddy): upgrade go version to 1.25.x for Caddy v2.11.4

Caddy v2.11.4 requires go >= 1.25.1