build(deps): bump github.com/modelcontextprotocol/go-sdk

Bumps [github.com/modelcontextprotocol/go-sdk](https://github.com/modelcontextprotocol/go-sdk) from 1.5.1-0.20260403154220-27f29c1cef3b to 1.6.0.
- [Release notes](https://github.com/modelcontextprotocol/go-sdk/releases)
- [Commits](https://github.com/modelcontextprotocol/go-sdk/commits/v1.6.0)

---
updated-dependencies:
- dependency-name: github.com/modelcontextprotocol/go-sdk
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/josephburnett/jd/v2 v2.5.0
 	github.com/lithammer/fuzzysearch v1.1.8
 	github.com/microcosm-cc/bluemonday v1.0.27
-	github.com/modelcontextprotocol/go-sdk v1.5.1-0.20260403154220-27f29c1cef3b
+	github.com/modelcontextprotocol/go-sdk v1.6.0
 	github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021
 	github.com/shurcooL/githubv4 v0.0.0-20240727222349-48295856cce7
 	github.com/shurcooL/graphql v0.0.0-20230722043721-ed46e5a46466

go.sum

@@ -39,8 +39,8 @@ github.com/lithammer/fuzzysearch v1.1.8 h1:/HIuJnjHuXS8bKaiTMeeDlW2/AyIWk2brx1V8
 github.com/lithammer/fuzzysearch v1.1.8/go.mod h1:IdqeyBClc3FFqSzYq/MXESsS4S0FsZ5ajtkr5xPLts4=
 github.com/microcosm-cc/bluemonday v1.0.27 h1:MpEUotklkwCSLeH+Qdx1VJgNqLlpY2KXwXFM08ygZfk=
 github.com/microcosm-cc/bluemonday v1.0.27/go.mod h1:jFi9vgW+H7c3V0lb6nR74Ib/DIB5OBs92Dimizgw2cA=
-github.com/modelcontextprotocol/go-sdk v1.5.1-0.20260403154220-27f29c1cef3b h1:mB8zdpP8SX1TEqnEZpV2hHD30EQXivsZl4AP9hgm7F8=
-github.com/modelcontextprotocol/go-sdk v1.5.1-0.20260403154220-27f29c1cef3b/go.mod h1:gggDIhoemhWs3BGkGwd1umzEXCEMMvAnhTrnbXJKKKA=
+github.com/modelcontextprotocol/go-sdk v1.6.0 h1:PPLS3kn7WtOEnR+Af4X5H96SG0qSab8R/ZQT/HkhPkY=
+github.com/modelcontextprotocol/go-sdk v1.6.0/go.mod h1:kzm3kzFL1/+AziGOE0nUs3gvPoNxMCvkxokMkuFapXQ=
 github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021 h1:31Y+Yu373ymebRdJN1cWLLooHH8xAr0MhKTEJGV/87g=
 github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021/go.mod h1:WERUkUryfUWlrHnFSO/BEUZ+7Ns8aZy7iVOGewxKzcc=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=