teleport 18.6.0

[BrewTestBot]

Created by brew bump

---

Created with brew bump-formula-pr.

Details

release notes

## Description
Identifier-first login enhancements
Teleport now automatically passes the username to the identifier provider when performing Identifier-first login with OIDC or SAML IdPs.
GitHub Actions Kubernetes Wizard
Teleport now ships with a new guided flow for setting up GitHub Actions workflows that connects to Teleport-protected Kubernetes clusters without secrets.
Other changes and improvements

Fixed unspecified proxy address breaking moderated SFTP when mixing IPv4 and IPv6. #62296
Added full configuration file for teleport-plugin-event-handler helm chart. #62280
Added full environment variable configuration for event handler CLI. #62280
Added support for extraArgs/extraEnv/extraLabels patterns for teleport-plugin-event-handler helm chart. #62266
Fixed issue where AltGr key combinations did not work correctly in remote desktop sessions. #62198
Added annotations support for teleport-plugin-event-handler helm chart. #62188
Added a new global configuration section auth_connection_config allowing users to configure the backoff behavior for Proxy and Agent instances connecting to the Auth Service. #62139
Fixed a potential SSRF vulnerability in the Azure join method implementation. #62406
Support for v8 roles has been added to the Terraform provider. #62380
Added support for selecting Kube agents as Managed Updates v2 canaries. Important: the default update group is corrected to "default" from "stable/cloud". #62211

Download
Download the current and previous releases of Teleport at https://goteleport.com/download.
Plugins
Download the current release of Teleport plugins from the links below.

Slack Linux amd64 | Linux arm64
Mattermost Linux amd64 | Linux arm64
Discord Linux amd64 | Linux arm64
Terraform Provider Linux amd64 | Linux arm64 | macOS amd64 | macOS arm64 | macOS universal
Event Handler Linux amd64 | Linux arm64 | macOS amd64
PagerDuty Linux amd64 | Linux arm64
Jira Linux amd64 | Linux arm64
Email Linux amd64 | Linux arm64
Microsoft Teams Linux amd64 | Linux arm64

View the full release notes at https://github.com/gravitational/teleport/releases/tag/v18.6.0.

---