Revert "Revert "fix(database): update wal-e""

This reverts commit d777712.

Author: Matthew Fisher

database/build.sh

@@ -36,7 +36,7 @@ cd /tmp
 git clone https://github.com/wal-e/wal-e.git
 
 cd /tmp/wal-e
-git checkout c6f0d02
+git checkout dbf9783
 
 pip install .