roll: .bazelversion: 8.8.1

From
    8.8.0
To
    8.8.1

Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8668744823362326465
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2be1998e7276177d66732557308da368b1a12b1c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/494833
diff --git a/.bazelversion b/.bazelversion
index 3b68253..eec6dac 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-8.8.0
+8.8.1