chore: Fix independent-merge lint issues

Signed-off-by: George Jenkins <gvjenkins@gmail.com>

.golangci.yml

@@ -13,7 +13,8 @@ formatters:
 
     gofumpt:
       module-path: helm.sh/helm/v4
-      extra-rules: true
+      extra:
+        group-params: true
 
     goimports:
       local-prefixes:

pkg/chart/loader/archive/budget_test.go

@@ -29,7 +29,7 @@ func TestReadFileWithBudget(t *testing.T) {
 	writeFile := func(t *testing.T, name string, size int) string {
 		t.Helper()
 		p := filepath.Join(dir, name)
-		if err := os.WriteFile(p, make([]byte, size), 0644); err != nil {
+		if err := os.WriteFile(p, make([]byte, size), 0o644); err != nil {
 			t.Fatal(err)
 		}
 		return p