fix: use %w in errors (#196)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

internal/config/config.go

@@ -72,19 +72,19 @@ func Load(configFile string) (*Config, error) {
 	if configFile != "" {
 		buf, err := os.ReadFile(configFile)
 		if err != nil {
-			return nil, fmt.Errorf("error reading config file: %s", err)
+			return nil, fmt.Errorf("error reading config file: %w", err)
 		}
 		err = yaml.Unmarshal(buf, globalConfig)
 		if err != nil {
-			return nil, fmt.Errorf("error parsing config file: %s", err)
+			return nil, fmt.Errorf("error parsing config file: %w", err)
 		}
 	}
 	// Load config values from environment variables
 	// We use "dummy" as the app name here to (mostly) prevent picking up env
 	// vars that we hadn't explicitly specified in annotations above
 	err := envconfig.Process("dummy", globalConfig)
 	if err != nil {
-		return nil, fmt.Errorf("error processing environment: %s", err)
+		return nil, fmt.Errorf("error processing environment: %w", err)
 	}
 	return globalConfig, nil
 }