deploy: increase deploy timeout

The staging dev deploy is timing out during the warmups step
which prepopulates the cache for a set of slow search queries.
Increasing the timeout to 60 mins.

Change-Id: Iec31a9936089468d083e9a6d3ddb4c5c231de0c2
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/422334
Reviewed-by: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
diff --git a/deploy/deploy.yaml b/deploy/deploy.yaml
index 2415875..c037fda 100644
--- a/deploy/deploy.yaml
+++ b/deploy/deploy.yaml
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-timeout: 45m
+timeout: 60m
 options:
   machineType: N1_HIGHCPU_8
   env: