build(deps): bump fortio.org/fortio from 1.69.1 to 1.69.3

Bumps [fortio.org/fortio](https://github.com/fortio/fortio) from 1.69.1 to 1.69.3.
- [Release notes](https://github.com/fortio/fortio/releases)
- [Commits](fortio/fortio@v1.69.1...v1.69.3)

---
updated-dependencies:
- dependency-name: fortio.org/fortio
  dependency-version: 1.69.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/envoyproxy/gateway
 go 1.24.2
 
 require (
-	fortio.org/fortio v1.69.1
+	fortio.org/fortio v1.69.3
 	fortio.org/log v1.17.2
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24
 	github.com/Masterminds/semver/v3 v3.3.1

go.sum

@@ -39,8 +39,8 @@ fortio.org/cli v1.10.0 h1:BsJXuBrJxBLqE+62gHSOQBRzY+EvE/sF1MnjIexUSI8=
 fortio.org/cli v1.10.0/go.mod h1:DNxA/oD3cQaOtTean8Sgr78lJrwGLIs06X8U/G3va+M=
 fortio.org/dflag v1.8.1 h1:2ax/9IvIwMb0zPE3yZEDp9D+UewfZzj5B8UKT79tblU=
 fortio.org/dflag v1.8.1/go.mod h1:M2K61nLYfB4pAsp7mZzBtjqLP6dX11R9Vm+1I4F+sVg=
-fortio.org/fortio v1.69.1 h1:9inX4sswg8UlN5v7clL2VM/fuDtuzhf9+X3LlbFp0cE=
-fortio.org/fortio v1.69.1/go.mod h1:4zIAnGGTdAHcOgiAgSujTKLAAkbhDb2CdAqgninWjeU=
+fortio.org/fortio v1.69.3 h1:G1cy4S0/+JKwd1fuAX+1jKdWto4fPpxAdJHtHrWzF1w=
+fortio.org/fortio v1.69.3/go.mod h1:0u67KAZBJW7Y3RKvgzqWhI7FS6Trot4dHJdg6dvlfJE=
 fortio.org/log v1.17.2 h1:JPX/ApDXDoGzsNtXw0AJI4ai6tl9wHp4Ch6bVs1OK0Y=
 fortio.org/log v1.17.2/go.mod h1:1V7bPfFI7ZVTdtN9DnUCAN0ilEMs5VgKjHIDRO7Mjzk=
 fortio.org/safecast v1.0.0 h1:dr3131WPX8iS1pTf76+39WeXbTrerDYLvi9s7Oi3wiY=