roll: pigweed, pw_toolchain: roll: Update Bazel to 7.2

Fix: b/347708308
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/220571
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: c434a087580547b..6f7b53311728507
Roller-URL: https://ci.chromium.org/b/8742937205337658449
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib50d9106f4ad7964b0123ab2255a187e2ff65fa1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/220654
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/WORKSPACE b/WORKSPACE
index 4ee01f0..ffa61f3 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-08.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742937662635890417.
-    commit = "c434a087580547beb2efef8f356d7bf51baf8226",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742937205337658449.
+    commit = "6f7b53311728507b22d9fcfb65500540dfa23ec2",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-08.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742937662635890417.
-    commit = "c434a087580547beb2efef8f356d7bf51baf8226",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742937205337658449.
+    commit = "6f7b53311728507b22d9fcfb65500540dfa23ec2",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )