build: Bump github.com/getkin/kin-openapi in /tools

Bumps [github.com/getkin/kin-openapi](https://github.com/getkin/kin-openapi) from 0.146.0 to 0.147.0.
- [Release notes](https://github.com/getkin/kin-openapi/releases)
- [Commits](getkin/kin-openapi@v0.146.0...v0.147.0)

---
updated-dependencies:
- dependency-name: github.com/getkin/kin-openapi
  dependency-version: 0.147.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tools/go.mod

@@ -4,7 +4,7 @@ go 1.25.0
 
 require (
 	github.com/alecthomas/kong v1.16.1
-	github.com/getkin/kin-openapi v0.146.0
+	github.com/getkin/kin-openapi v0.147.0
 	github.com/google/go-cmp v0.7.0
 	github.com/google/go-github/v90 v90.0.0
 	go.yaml.in/yaml/v3 v3.0.5

tools/go.sum

@@ -9,8 +9,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlclark/regexp2 v1.11.0 h1:G/nrcoOa7ZXlpoa/91N3X7mM3r8eIlMBBJZvsz/mxKI=
 github.com/dlclark/regexp2 v1.11.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
-github.com/getkin/kin-openapi v0.146.0 h1:RA/1RdxrSJW4oc1+6IfnYB6AO9CaGy8GTKPh0k4Ordo=
-github.com/getkin/kin-openapi v0.146.0/go.mod h1:3BH9M9XDe/y9M5DSvEocVYAYq1w0qrhJHjC/vZi0AaY=
+github.com/getkin/kin-openapi v0.147.0 h1:s+Xsm9gUMPJbgCnABZ2to3zSQQ5A9dyj/zo62VVsldY=
+github.com/getkin/kin-openapi v0.147.0/go.mod h1:3BH9M9XDe/y9M5DSvEocVYAYq1w0qrhJHjC/vZi0AaY=
 github.com/go-openapi/jsonpointer v0.22.5 h1:8on/0Yp4uTb9f4XvTrM2+1CPrV05QPZXu+rvu2o9jcA=
 github.com/go-openapi/jsonpointer v0.22.5/go.mod h1:gyUR3sCvGSWchA2sUBJGluYMbe1zazrYWIkWPjjMUY0=
 github.com/go-openapi/swag/jsonname v0.25.5 h1:8p150i44rv/Drip4vWI3kGi9+4W9TdI3US3uUYSFhSo=