test: replace intstr.FromInt with intstr.FromInt32

This touches cases where FromInt() is used on numeric constants, or
values which are already int32s, or int variables which are defined
close by and can be changed to int32s with little impact.

Signed-off-by: Stephen Kitt <skitt@redhat.com>

test/e2e/storage/empty_dir_wrapper.go

@@ -211,7 +211,7 @@ var _ = utils.SIGDescribe("EmptyDir wrapper volumes", func() {
 func createGitServer(ctx context.Context, f *framework.Framework) (gitURL string, gitRepo string, cleanup func()) {
 	var err error
 	gitServerPodName := "git-server-" + string(uuid.NewUUID())
-	containerPort := 8000
+	containerPort := int32(8000)
 
 	labels := map[string]string{"name": gitServerPodName}
 
@@ -232,7 +232,7 @@ func createGitServer(ctx context.Context, f *framework.Framework) (gitURL string
 				{
 					Name:       "http-portal",
 					Port:       int32(httpPort),
-					TargetPort: intstr.FromInt(containerPort),
+					TargetPort: intstr.FromInt32(containerPort),
 				},
 			},
 		},