[roll pigweed] pw_protobuf_compiler: Fix typo in "nanopb" string

Fix typo checking whether "nanobp" was enabled instead of "nanopb".

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/104880

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 85c4cfc5efd72bc..2499dffac80c976
Roller-URL: https://ci.chromium.org/b/8806364834120707489
Cq-Cl-Tag: roller-builder:pigweed-zephyr-roller
Cq-Cl-Tag: roller-bid:8806364834120707489
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I9e685792c8b27beed2c399e5c787ff888953848c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/105418
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pigweed b/pigweed
index 85c4cfc..2499dff 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 85c4cfc5efd72bcb16008a8ae2014ed47ec9bfdc
+Subproject commit 2499dffac80c97645e9fa93c92fd4473df88877b