build: bump go directive to 1.26 across all modules

Author: thumbrise

.github/workflows/ci.yml

@@ -12,6 +12,7 @@ permissions:
 env:
   TASK_VERSION: 3.44.0
   NODE_VERSION: lts/*
+  GO_VERSION: '1.26.x'
 
 jobs:
   lint:
@@ -24,7 +25,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: ${{ env.GO_VERSION }}
 
       - name: Install Task
         uses: go-task/setup-task@v2
@@ -41,19 +42,16 @@ jobs:
         run: task lint:ci
 
   test:
-    name: Test (Go ${{ matrix.go-version }})
+    name: Test
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go-version: ['1.24.x', '1.25.x', '1.26.x']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Go ${{ matrix.go-version }}
+      - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: ${{ env.GO_VERSION }}
 
       - name: Test
         run: go run ./multimod go test ./... -v

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 ## Requirements
 
-- **Go 1.25.x** — see `go.mod` for exact version.
+- **Go 1.26.x** — see `go.mod` for exact version.
 - **[golangci-lint](https://golangci-lint.run/welcome/install/)** — install locally.
 - **[Task](https://taskfile.dev/)** — task runner. Install: `go install github.com/go-task/task/v3/cmd/task@latest`
 - **Node.js** (optional) — only for commitlint and docs build.

_tools/go.mod

@@ -1,6 +1,6 @@
 module github.com/thumbrise/multimod/tools
 
-go 1.25.0
+go 1.26
 
 require (
 	dario.cat/mergo v1.0.0 // indirect

go.mod

@@ -1,3 +1,3 @@
 module github.com/thumbrise/multimod
 
-go 1.25.0
+go 1.26

go.work

@@ -1,4 +1,4 @@
-go 1.25.0
+go 1.26
 
 use (
 	.

multimod/go.mod

@@ -1,6 +1,6 @@
 module github.com/thumbrise/multimod/multimod
 
-go 1.25.0
+go 1.26
 
 require (
 	github.com/spf13/cobra v1.10.2

multirelease/go.mod

@@ -1,6 +1,6 @@
 module github.com/thumbrise/multimod/multirelease
 
-go 1.25.0
+go 1.26
 
 require (
 	github.com/spf13/cobra v1.10.2