feat(deps): update dependency @toolbox-sdk/server to v1.9.0 renamed

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
@toolbox-sdk/server	1.8.0 → 1.9.0

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Release Notes

googleapis/mcp-toolbox (@​toolbox-sdk/server)

v1.9.0

Compare Source

Features

• groups: Add ttlMs and cacheScope customization to config (#​3805) (a5d4947)
• migrate: Convert toolset to group kind during migration (#​3704) (0adeaa5)
• server/mcp: Introduce generic client extension registry (#​3723) (016245c)
• skill: Add review-prs skill for mcp-toolbox (#​3743) (5b7bacc)
• source/bigquery: Add apiEndpoint field to override BigQuery API host (#​3437) (4da1600)
• source/databaseinsights: Add databaseinsights source (#​3461) (3b9615d)
• sources/spanner: Rename execute_sql_dql to execute_sql_readonly (#​3776) (cf5a0c8)
• tools/bigtable: Add admin lifecycle and listing tools (#​3596) (801d589)
• tools/bigtable: Bigtable-list-schemas MCP tool (#​3683) (9228c61)
• tools/databaseinsights: Add Advanced Query Insights tools for AlloyDB (#​3722) (74d18ae)
• tools/looker: Add additional tools to allow dashboards to be modified, and their layouts altered. (#​3597) (b2b80fb)
• tools: Add cloud-sql-connect-gce for pg, mysql, mssql (#​3740) (ca58fa4)

Bug Fixes

• auth/mcp: Derive PRM URL from Toolbox URL (#​3765) (aa30842)
• config: Ignore environment variables in YAML comments (#​3807) (79aa732), refs #​3793
• mcp: Return Tool execution error for invalid input param (#​3799) (8120197)
• prebuilt/cloud-storage: Declare tool collections as groups (#​3764) (7d468be)
• server/mcp: Disallow client overriding URL bound parameters (#​3798) (f15a9c7)
• server: Avoid a nil-flusher panic in the SSE handler (#​3520) (947f42f)
• tools/bigquery: Keep the provider error classification in bigquery-execute-sql (#​3738) (42570b8)
• tools/looker: Scope the filters quoting rule to values in query description (#​3788) (78eb0b8)
• util: Convert exponent-form JSON numbers in ConvertNumbers (#​3730) (e9713ee)

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