roll: pigweed, pw_toolchain: pw_env_setup: Get bazelisk instead of bazel

Get bazelisk-as-bazel instead of bazel in environment setup. This is a
Bazelisk executable named 'bazel', so it's a drop-in replacement for
Bazel.

Original-Bug: 355438774
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/226376

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: f788ed49a5f897b..284648a91114364
Roller-URL: https://ci.chromium.org/b/8739141342880490881
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibdb5aae467f92984e91ba45d6ea39725aab5c8aa
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/230646
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/MODULE.bazel b/MODULE.bazel
index bd634c6..f511433 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -48,8 +48,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-19.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8739146871488620289.
-    commit = "f788ed49a5f897bef423070d42be3a455b015fca",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8739141342880490881.
+    commit = "284648a91114364749fc04bf581fc4f605ca0b79",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -57,8 +57,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-19.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8739146871488620289.
-    commit = "f788ed49a5f897bef423070d42be3a455b015fca",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8739141342880490881.
+    commit = "284648a91114364749fc04bf581fc4f605ca0b79",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )