Temporarily ignore java_s2i.feature tests

These consistently fail on GHA which requires further analysis to
resolve. In the meantime we need a functioning CI.

Signed-off-by: Jonathan Dowland <[email protected]>

Author: jmtd

tests/features/java/java_s2i.feature

@@ -1,3 +1,6 @@
+# temporarily marking 'ignore' so these tests are skipped on GHA
+# See: https://issues.redhat.com/browse/OPENJDK-2602
+@ignore
 @ubi8/openjdk-8
 @ubi8/openjdk-11
 @ubi8/openjdk-17