roll: .bazelversion: 8.1.0

From
    8.0.1
To
    8.1.0

Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8722897117105528769
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I72e736180d533e00ed6f23e21309373632799409
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/268156
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/.bazelversion b/.bazelversion
index cd1d2e9..8104cab 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-8.0.1
+8.1.0