Release v0.26.0

What's Changed

• Remove specifics of autogenerated fork name format by @nathanjcochran in #238
• Support NOT_EQUAL label filters on service_metrics_series by @AdrianLC in #240
• Add service_metrics_details CLI subcommand and MCP tool by @AdrianLC in #239
• Add CODEOWNERS file by @nathanjcochran in #247
• Add table-driven tests for all MCP tools by @nathanjcochran in #237
• Make forking at the current state the default for tiger service fork by @nathanjcochran in #248
• Broaden metrics tool descriptions and server instructions for discoverability by @AdrianLC in #246
• Remove the 'ai' add-on from service create and service_create by @aprimakina in #244
• Add service backup region commands and MCP tools by @areina in #208
• Accept a service name anywhere a service ID is accepted by @aprimakina in #241
• Generate passwords and confirm PROD updates in service_update_password by @nathanjcochran in #250
• Ungate metrics from TIGER_EXPERIMENTAL + UX improvements by @AdrianLC in #249
• Complete service names in shell completions by @nathanjcochran in #254

Full Changelog: v0.25.0...v0.26.0