v1.57.0

• Support basic auth for secondary clusters
• Support wildcards for SAML access
• Support custom external cloud cost tags
• Support network whitelist traffic types
• Remove kubernetes-pods and nodes scrape endpoint
• Make grafana URL configurable from values.yaml
• Make cost-analyzer port and targetPort configurable
• Expose cache warming configuration
• Improve load time of Savings page
• Add support for binding IAM roles to thanos on AWS