ci/gha: Let MSan continue checking after errors in all jobs

Author: real-or-random

.github/workflows/ci.yml

@@ -485,11 +485,11 @@ jobs:
       matrix:
         configuration:
           - env_vars:
-              CFLAGS: '-fsanitize=memory -g'
+              CFLAGS: '-fsanitize=memory -fsanitize-recover=memory -g'
           - env_vars:
               ECMULTGENPRECISION: 2
               ECMULTWINDOW: 2
-              CFLAGS: '-fsanitize=memory -g -O3'
+              CFLAGS: '-fsanitize=memory -fsanitize-recover=memory -g -O3'
 
     env:
       ECDH: 'yes'