fix(deps): update module github.com/vbatts/git-validation to v1.2.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

test/tools/vendor/github.com/vbatts/git-validation/validate/rules.go

@@ -75,7 +75,6 @@ func SanitizeFilters(filtStr string) (filters []string) {
 //
 // Some `includes` rules have values assigned to them.
 // i.e. -run "dco,message_regexp='^JIRA-[0-9]+ [A-Z].*$'"
-//
 func FilterRules(rules []Rule, includes []string) []Rule {
 	ret := []Rule{}
 
@@ -83,7 +82,7 @@ func FilterRules(rules []Rule, includes []string) []Rule {
 		for i := range includes {
 			if strings.Contains(includes[i], "=") {
 				chunks := strings.SplitN(includes[i], "=", 2)
-				if strings.ToLower(r.Name) == strings.ToLower(chunks[0]) {
+				if strings.EqualFold(r.Name, chunks[0]) {
 					// for these rules, the Name won't be unique per se. There may be
 					// multiple "regexp=" with different values. We'll need to set the
 					// .Value = chunk[1] and ensure r is dup'ed so they don't clobber
@@ -93,7 +92,7 @@ func FilterRules(rules []Rule, includes []string) []Rule {
 					ret = append(ret, newR)
 				}
 			} else {
-				if strings.ToLower(r.Name) == strings.ToLower(includes[i]) {
+				if strings.EqualFold(r.Name, includes[i]) {
 					ret = append(ret, r)
 				}
 			}

test/tools/vendor/github.com/vbatts/git-validation/validate/runner.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/sirupsen/logrus"
 	"github.com/vbatts/git-validation/git"
 )
 
@@ -29,7 +30,11 @@ func NewRunner(root string, rules []Rule, commitrange string, verbose bool) (*Ru
 		if err != nil {
 			return nil, err
 		}
-		defer os.Chdir(cwd)
+		defer func() {
+			if err := os.Chdir(cwd); err != nil {
+				logrus.Warnf("changing working directory to %q failed: %s", cwd, err)
+			}
+		}()
 
 		if err := os.Chdir(newroot); err != nil {
 			return nil, err
@@ -56,7 +61,11 @@ func (r *Runner) Run() error {
 	if err != nil {
 		return err
 	}
-	defer os.Chdir(cwd)
+	defer func() {
+		if err := os.Chdir(cwd); err != nil {
+			logrus.Warnf("changing working directory to %q failed: %s", cwd, err)
+		}
+	}()
 
 	if err := os.Chdir(r.Root); err != nil {
 		return err