Update Go to v1.26.4

Author: renovate[bot]

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2.1
 jobs:
   build:
     docker:
-      - image: cimg/go:1.26.3
+      - image: cimg/go:1.26.4
 
     environment:
       GOPATH: /home/circleci/go
@@ -32,7 +32,7 @@ jobs:
 
   deploy-master:
     docker:
-      - image: cimg/go:1.26.3
+      - image: cimg/go:1.26.4
 
     environment:
       GOPATH: /home/circleci/go
@@ -58,7 +58,7 @@ jobs:
 
   deploy-release:
     docker:
-      - image: cimg/go:1.26.3
+      - image: cimg/go:1.26.4
 
     environment:
       GOPATH: /home/circleci/go

CLAUDE.md

@@ -89,7 +89,7 @@ Matchers operate per HTTP field (method, path, query, headers, body, scheme, des
 
 ## Tech Stack
 
-- **Go 1.26.3**, modules in `go.mod`
+- **Go 1.26.4**, modules in `go.mod`
 - **Proxy:** `github.com/SpectoLabs/goproxy` (custom MITM fork)
 - **CLI:** `cobra` + `viper`
 - **Routing (admin API):** `gorilla/mux`, `go-zoo/bone`

CONTRIBUTING.md

@@ -6,7 +6,7 @@ Thanks for your interest in contributing to Hoverfly! This guide will help you g
 
 ### Prerequisites
 
-- **Go 1.26.3+** — install from [golang.org/dl](https://golang.org/dl)
+- **Go 1.26.4+** — install from [golang.org/dl](https://golang.org/dl)
 - **Ruby** and **Python** — needed for some middleware tests
   ```bash
   # macOS

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26.3 AS build-env
+FROM golang:1.26.4 AS build-env
 WORKDIR /usr/local/go/src/github.com/SpectoLabs/hoverfly
 COPY . /usr/local/go/src/github.com/SpectoLabs/hoverfly