Use shared liburing not static

diff -Nurp a/cmake/modules/Finduring.cmake b/cmake/modules/Finduring.cmake
--- a/cmake/modules/Finduring.cmake	2022-04-09 18:16:42.238105758 +0100
+++ b/cmake/modules/Finduring.cmake	2022-04-09 18:17:06.378003925 +0100
@@ -5,7 +5,7 @@
 # uring_FOUND - True if uring found.
 
 find_path(URING_INCLUDE_DIR liburing.h)
-find_library(URING_LIBRARIES liburing.a liburing)
+find_library(URING_LIBRARIES liburing.so liburing)
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(uring DEFAULT_MSG URING_LIBRARIES URING_INCLUDE_DIR)