Bump deepseq submodule to 1.4.7.0-pre

Addresses #20653.

deepseq @ 895aa071

-Subproject commit 7a5920aaaf6f4f4831a6c7ae28373f29afc72059
+Subproject commit 895aa07175db8a55deb178e1e5b09b2e4b20f28b

testsuite/tests/package/T4806a.stderr

@@ -3,5 +3,5 @@ T4806a.hs:1:1: error:
     Could not load module ‘Data.Map’
     It is a member of the package ‘containers-0.6.0.1’
     which is unusable because the -ignore-package flag was used to ignore at least one of its dependencies:
-      deepseq-1.4.4.0
+      deepseq-1.4.7.0
     Use -v (or `:set -v` in ghci) to see a list of the files searched for.