Release Notes for v0.9.0

This release introduces two new notification services: WeChat Work (WeCom) webhook support for enterprise messaging integration, and Signal for secure messaging notifications. It also includes updates to Go module dependencies and documentation enhancements.

What's Changed

• fix(deps): update module github.com/onsi/ginkgo/v2 to v2.25.3 by @renovate[bot] in #295
• fix(deps): update module golang.org/x/oauth2 to v0.31.0 by @renovate[bot] in #298
• fix(deps): update module github.com/spf13/viper to v1.21.0 by @renovate[bot] in #303
• fix(deps): update module golang.org/x/net to v0.44.0 by @renovate[bot] in #305
• feat: add WeChat Work (WeCom) webhook notification service by @nicholas-fedor in #318
• feat(signal): Add Signal notification service support by @nicholas-fedor in #319
• fix: Resolve docs generation failures for Signal and WeCom services by @nicholas-fedor in #320
• docs: Add Signal and WeCom services to MkDocs navigation by @nicholas-fedor in #321

Full Changelog: v0.8.18...v0.9.0