Don't run tests with sqllite 3

Solidus depends on kt-paperclip which loads sqlite3 (~> 1.4). This
conflicts with newer versions of ruby which can't use such an old
version.

Author: AlistairNorman

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
         database:
           - "postgresql"
           - "mysql"
-          - "sqlite"
+          # - "sqlite"
         exclude:
           - rails-version: "7.2"
             solidus-branch: "v4.3"