bump up to Go 1.24, drop support for Go 1.21

Author: itchyny

.github/workflows/ci.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.23.x
+          go-version: 1.24.x
       - name: Build
         run: make build
       - name: Check command examples
@@ -54,7 +54,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.23.x, 1.22.x, 1.21.x]
+        go: [1.24.x, 1.23.x, 1.22.x]
       fail-fast: false
     steps:
       - name: Checkout code

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23 AS builder
+FROM golang:1.24 AS builder
 
 WORKDIR /app
 COPY go.* ./

go.dev.mod

@@ -1,6 +1,6 @@
 module github.com/itchyny/gojq
 
-go 1.21
+go 1.22
 
 require (
 	github.com/itchyny/astgen-go v0.0.0-20231113225122-e1c22b9aaf7b // indirect

go.mod

@@ -1,6 +1,6 @@
 module github.com/itchyny/gojq
 
-go 1.21
+go 1.22
 
 require (
 	github.com/google/go-cmp v0.5.4