[roll] Roll infra/recipes [testing_requests] Use cipd_packages from the shard.

This should go in after fxrev.dev/1161793 which will add the emu and
edk2 packages to the shard.cipd_packages.

Original-Bug: 379192413
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/infra/recipes/+/1157359
Original-Revision: 774d1fb8a36126a7956cf9cf1af31da1b45b044d
GitOrigin-RevId: 76de78df0ff926828076542c3269a875dc9d78ff
Change-Id: I4793447ec48deed0802fa4bfd6caba9381fc90d8

Author: Ina Huh

infra/recipes

@@ -11,6 +11,6 @@
              path="infra/recipes"
              remote="https://fuchsia.googlesource.com/infra/recipes"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="5f804f17683ceec666d0ad8c0b4892359c37a91b"/>
+             revision="774d1fb8a36126a7956cf9cf1af31da1b45b044d"/>
   </projects>
 </manifest>