There are no changes between the files on the two version of the gdm3 package: 3.28.3-0ubuntu18.04.4 and the 3.28.3-0ubuntu. All the files has the same md5sum so the the problem is somewhere else.
There are no changes between the files on the two version of the gdm3 package: 3.28.3- 0ubuntu18. 04.4 and the 3.28.3-0ubuntu. All the files has the same md5sum so the the problem is somewhere else.