doc: update the CHANGELOG for v2.4.3
doc: update the CHANGELOG for v2.4.3

Signed-off-by: Tom Hromatka <96b9c1f2c09b98d7a09b4688fc637f1494d8e182@oracle.com>
(imported from commit fcb1395979f784387984e34752c07a5e8530c023)

seccomp/libseccomp,seccomp/libseccomp,seccomp/libseccomp