roll: third_party/pigweed c99ca8a..e51890c (9 commits)

e51890c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/248392 pw_protobuf_compiler: Nanopb 3 bazel build fix
b9b9135:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/248312 pw_bluetooth: Format emboss files
94e2314:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/243532 pw_tokenizer: Add Detokenizer::FromElfFile
8ee7879:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/244893 pw_elf: Add ElfReader
a020d35:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/248381 pw_protobuf_compiler: Specify flags for generate_proto.py
6aadd54:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/236236 pw_spi: Finalize non-Virtual interface on Initiator
a703dc3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/244892 pw_elf: Create new module
a30e972:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/248173 pw_bluetooth_sapphire: Use EmbossEventPacket in CommandChannel
c5d3d97:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/245113 clang-tidy: Make [[deprecated]] a warning instead of error

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: c99ca8ae0a441b..e51890c6e1c3b8
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8731363959831684593
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I16b0e01e6ca0d6fb672c54e8a3c499472afd0c6f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/248593
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/third_party/pigweed b/third_party/pigweed
index c99ca8a..e51890c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c99ca8ae0a441b26778de162ab2e1a503f33e8f7
+Subproject commit e51890c6e1c3b8c40052a0fe585bddd577b294b5