Raise a timeout to 180s, in contrib/test_decoding.

Noah Misch <noah@leadboat.com>

Commit: 388b959315205b0b65efb074ec84e1d7fad62402
Author: Noah Misch <noah@leadboat.com>
Date: 2021-02-27T15:02:56Z
Releases: 14.0
Raise a timeout to 180s, in contrib/test_decoding.

Per buildfarm member hornet.  The test is new in v14, so no back-patch.

Files