fix: EnsureOrigin try_successful_origin and snowbridge rename

- Fix pezpallet-welati EnsureOrigin implementations (3 fixes)
  - Remove incorrect #[cfg(not(feature = "runtime-benchmarks"))] blocks
  - Affects EnsureSerok, EnsureParlementer, EnsureDiwan

- Fix asset-hub-zagros governance origins macros (2 fixes)
  - Remove non-benchmark try_successful_origin from decl_unit_ensures!
  - Remove non-benchmark try_successful_origin from decl_ensure!

- Rename snowbridge -> pezsnowbridge for consistency

- Update WORKFLOW_PLAN.md with build status and package names
  - Correct package names: pezkuwi-teyrchain-bin, pezstaging-node-cli
  - Mark completed builds: pezkuwi, pezkuwi-teyrchain-bin,
    pezstaging-node-cli, teyrchain-template-node

pezbridges/pezsnowbridge/scripts/init.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "*** Initializing WASM build environment"
+
+if [ -z $CI_PROJECT_NAME ] ; then
+   rustup update nightly
+   rustup update stable
+fi
+
+rustup target add wasm32-unknown-unknown --toolchain nightly