spec: update RPM version number to 0.2

Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/liburing.spec b/liburing.spec
index 1337034..f9e9262 100644
--- a/liburing.spec
+++ b/liburing.spec
@@ -1,5 +1,5 @@
 Name: liburing
-Version: 0.1
+Version: 0.2
 Release: 1
 Summary: Linux-native io_uring I/O access library
 License: LGPLv2+