Bump CLI go version to 1.26 and update lib versions

.github/workflows/ci.yml

@@ -18,8 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         go-version:
-          - '1.20.x'
-          - '1.21.x'
+          - '1.26.x'
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
         with:
-          go-version: '1.20.x'
+          go-version: '1.26.x'
 
       - name: Import GPG Key
         id: import_gpg

CONTRIBUTING.md

@@ -8,7 +8,7 @@ Exercism would be impossible without people like you being willing to spend time
 
 ## Dependencies
 
-You'll need Go version 1.20 or higher. Follow the directions on http://golang.org/doc/install
+You'll need Go version 1.26 or higher. Follow the directions on http://golang.org/doc/install
 
 ## Development
 

cli/cli.go

@@ -6,6 +6,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -14,7 +15,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/blang/semver"
+	semver "github.com/blang/semver/v4"
 	"github.com/exercism/cli/debug"
 	update "github.com/inconshreveable/go-update"
 )
@@ -150,7 +151,7 @@ func (c *CLI) fetchLatestRelease() error {
 		for k, v := range resp.Header {
 			msg += fmt.Sprintf("\n  %s:\n    %s", k, v)
 		}
-		return fmt.Errorf(msg)
+		return errors.New(msg)
 	}
 
 	var rel Release

cmd/submit.go

@@ -208,7 +208,7 @@ func (s *submitCmdContext) migrateLegacyMetadata(exercise workspace.Exercise) er
 		return err
 	}
 	if verbose, _ := s.flags.GetBool("verbose"); verbose {
-		fmt.Fprintf(Err, migrationStatus.String())
+		Err.Write([]byte(migrationStatus.String()))
 	}
 	return nil
 }

go.mod

@@ -1,33 +1,31 @@
 module github.com/exercism/cli
 
-go 1.20
+go 1.26.0
 
 require (
-	github.com/blang/semver v3.5.1+incompatible
+	github.com/blang/semver/v4 v4.0.0
 	github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf
-	github.com/spf13/cobra v1.7.0
-	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.15.0
-	github.com/stretchr/testify v1.8.4
-	golang.org/x/net v0.23.0
-	golang.org/x/text v0.14.0
+	github.com/spf13/cobra v1.10.0
+	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
+	github.com/stretchr/testify v1.11.1
+	golang.org/x/net v0.55.0
+	golang.org/x/text v0.37.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/spf13/afero v1.9.3 // indirect
-	github.com/spf13/cast v1.5.0 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/subosito/gotenv v1.4.2 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/sys v0.45.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )