Use yaml.v3 rather than .v2 and .v1

internal/config/config.go

@@ -10,7 +10,7 @@ import (
 	cp "github.com/cheat/cheat/internal/cheatpath"
 
 	"github.com/mitchellh/go-homedir"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 // Config encapsulates configuration parameters
@@ -40,7 +40,7 @@ func New(_ map[string]interface{}, confPath string, resolve bool) (Config, error
 	conf.Path = confPath
 
 	// unmarshal the yaml
-	err = yaml.UnmarshalStrict(buf, &conf)
+	err = yaml.Unmarshal(buf, &conf)
 	if err != nil {
 		return Config{}, fmt.Errorf("could not unmarshal yaml: %v", err)
 	}

internal/sheet/parse.go

@@ -5,7 +5,7 @@ import (
 	"runtime"
 	"strings"
 
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 // Parse parses cheatsheet frontmatter