roll: pigweed, pw_toolchain: pw_tokenizer: decode_optionally_tokenized without a Detokenizer

Make the Detokenizer optional for decode_optionally_tokenized. This
makes handling optionally tokenized fields simpler and more consistent
when a token database isn't loaded.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/226727
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 280aeccf0bef690..55c5087185c0ff3
Roller-URL: https://ci.chromium.org/b/8740850216371365553
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I079ed6ec6e51ca5006fa22ccbb9c5c1fe4dbe6c3
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/226902
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 f7389ee..2878bc2 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-01.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740850636309347905.
-    commit = "280aeccf0bef690a6a7c47de627b80721a5dc97d",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740850216371365553.
+    commit = "55c5087185c0ff3d9662283f3c0300ec82dabc3d",
     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 2024-08-01.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740850636309347905.
-    commit = "280aeccf0bef690a6a7c47de627b80721a5dc97d",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740850216371365553.
+    commit = "55c5087185c0ff3d9662283f3c0300ec82dabc3d",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )