Update golang varsion

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.2
+        go-version: 1.21.6
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v2
@@ -27,7 +27,7 @@ jobs:
       uses: golangci/golangci-lint-action@v2
       with:
         # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-        version: v1.50.1
+        version: v1.55.2
 
         # Optional: working directory, useful for monorepos
         # working-directory: somedir

.golangci.yml

@@ -184,6 +184,8 @@ linters:
     - dupword
     - gomnd
     - wrapcheck
+    - exhaustruct # mad linter
+    - depguard
 
 issues:
   exclude:

go.mod

@@ -1,3 +1,3 @@
 module github.com/gorcon/rcon
 
-go 1.19
+go 1.21

rcon.go

@@ -115,7 +115,7 @@ func Dial(address string, password string, options ...Option) (*Conn, error) {
 	if err := client.auth(password); err != nil {
 		// Failed to auth conn with the server.
 		if err2 := client.Close(); err2 != nil {
-			return &client, fmt.Errorf("%w: %v. Previous error: %v", ErrMultiErrorOccurred, err2, err)
+			return &client, fmt.Errorf("%w: %s. Previous error: %s", ErrMultiErrorOccurred, err2.Error(), err.Error())
 		}
 
 		return &client, fmt.Errorf("rcon: %w", err)