chore(deps): bump github.com/pb33f/libopenapi from 0.25.3 to 0.25.4 (#36)

Bumps [github.com/pb33f/libopenapi](https://github.com/pb33f/libopenapi) from 0.25.3 to 0.25.4.
- [Release notes](https://github.com/pb33f/libopenapi/releases)
- [Commits](pb33f/libopenapi@v0.25.3...v0.25.4)

---
updated-dependencies:
- dependency-name: github.com/pb33f/libopenapi
  dependency-version: 0.25.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.4
 
 require (
 	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.8-20250717185734-6c6e0d3c608e.1
-	github.com/pb33f/libopenapi v0.25.3
+	github.com/pb33f/libopenapi v0.25.4
 	google.golang.org/protobuf v1.36.8
 	gopkg.in/yaml.v3 v3.0.1
 	sigs.k8s.io/yaml v1.6.0

go.sum

@@ -12,8 +12,8 @@ github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/pb33f/libopenapi v0.25.3 h1:B0rf9Reo63tAx54gpoP9778Y84gk3JQoFtj7yg8vKfo=
-github.com/pb33f/libopenapi v0.25.3/go.mod h1:IefJDi7uJpflLs2wEnkiier/Y21w+dEbOrMCP5LB2aw=
+github.com/pb33f/libopenapi v0.25.4 h1:bp9xBL8ObR26WoHyKNnDDVdsbjVdtaaIm/mttNc1t5M=
+github.com/pb33f/libopenapi v0.25.4/go.mod h1:IefJDi7uJpflLs2wEnkiier/Y21w+dEbOrMCP5LB2aw=
 github.com/pb33f/ordered-map/v2 v2.2.0 h1:+6D6e0nkcEjVPh6kF48ynz2Cb+D/ECH/Q3AOunHtj7E=
 github.com/pb33f/ordered-map/v2 v2.2.0/go.mod h1:rAwLzJPAha8J3pY5otLGRbGH2L077wij3W/ftbgPwNs=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=