Bump testing to go 1.23 (#961)

.github/workflows/coverage.yml

@@ -15,6 +15,6 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.22"
+          go-version: "1.23"
       - name: Run tests with coverage
         run: ./ci.sh coverage -d "${GITHUB_BASE_REF-HEAD}"

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.22"
+          go-version: "1.23"
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:

.github/workflows/workflow.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ 'ubuntu-latest', 'windows-latest', 'macos-latest', 'macos-14' ]
-        go: [ '1.21', '1.22' ]
+        go: [ '1.22', '1.23' ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.go }}/${{ matrix.os }}
     steps:

go.mod

@@ -1,6 +1,6 @@
 module github.com/pelletier/go-toml/v2
 
-go 1.21
+go 1.21.0
 
 require github.com/stretchr/testify v1.9.0