e2e: skip if cluster version less than 4.22

We don't want this test to run on older versions because
we don't have the selinux data in older MG releases, which means
the test is gonna failed.

Signed-off-by: Talor Itzhak <titzhak@redhat.com>

Author: Tal-or

test/e2e/must-gather/must_gather_test.go

@@ -190,6 +190,14 @@ var _ = Describe("[must-gather] NRO data collected", func() {
 		})
 
 		It("check SELinux data files have been collected", func(ctx context.Context) {
+			minVersion, err := platform.ParseVersion("4.22")
+			Expect(err).ToNot(HaveOccurred(), "failed to parse minimum version")
+			supported, err := configuration.PlatVersion.AtLeast(minVersion)
+			Expect(err).ToNot(HaveOccurred(), "failed to compare versions: %v vs %v", configuration.PlatVersion, minVersion)
+			if !supported {
+				Skip(fmt.Sprintf("SELinux data collection is only supported on cluster version %s or newer, got %s", minVersion, configuration.PlatVersion))
+			}
+
 			destDirContent, err := os.ReadDir(destDir)
 			Expect(err).NotTo(HaveOccurred(), "unable to read contents from destDir:%s. error: %w", destDir, err)