[roll] Roll fuchsia [test_manager] Remove hermetic resolver allowlist

All of the allowlisted packages have been fixed!
https://bugs.fuchsia.dev/p/fuchsia/issues/list?q=label%3Ahermetic-resolver-allowlist&can=1

Original-Bug: 92799
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/668329
Original-Revision: e4dc4c02c7b734b4dec8e5fb31795af98f1c06a1
GitOrigin-RevId: 628235b5bd234ba2d8d71d3532e4a5d44054ec75
Change-Id: I911dfcecd0fc71526125ba294a1a5e6d13f0b4b1
diff --git a/stem b/stem
index e44fdc6..c1ee311 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="7387d4963ce8809deb01a7153bd27464e83edee7"/>
+             revision="e4dc4c02c7b734b4dec8e5fb31795af98f1c06a1"/>
   </projects>
   <hooks>
     <hook name="install-environment"