Update to upstream 2.5 tarball
- Update to upstream 2.5 tarball
- Drop patches
0001-Bug-31045-Don-t-try-setting-translation-unit-for-uni.patch
0002-suppression-Add-has_strict_flexible_array_data_membe.patch
0003-Replace-deprecated-mock-with-unittest.mock.patch
- Package libabigail.so.4 rather than the previous libabigail.so.3.
- Add abidb to the package
Signed-off-by: Dodji Seketeli <dodji@redhat.com>