Merge commit '6dccd64de51ea960cb6f0d975768c874814b4c75' into HEAD

Update flatbuffers. Relevant merge tasks:
* A field got added to reflection.fbs; this had fallout in
  reflection_generated.h and the logger_test shas.
* Resolved merge conflict in rust/flatbuffers/src/lib.rs
* Reverted upstream change that made Table rust struct members private.
* FlatBufferBuilder Create*Vector calls now include alignment.
* nim codegen got added; needed to update to use scoped enums.

Main fix that motivated this update is
https://github.com/google/flatbuffers/pull/7588

Change-Id: I6bbe5d56846f426fa5f2a82c4f2bc77be2b93bb0
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/events/logging/logger_test.cc b/aos/events/logging/logger_test.cc
index cf5ec32..c99a7c8 100644
--- a/aos/events/logging/logger_test.cc
+++ b/aos/events/logging/logger_test.cc
@@ -3757,11 +3757,11 @@
 }
 
 constexpr std::string_view kCombinedConfigSha1(
-    "c10ca3c1efa7924d48859000b6671eadc007b6373c81d07138a385dfdbb33d69");
+    "5d73fe35bacaa59d24f8f0c1a806fe10b783b0fcc80809ee30a9db824e82538b");
 constexpr std::string_view kSplitConfigSha1(
-    "f8df4ee52e137025dac96303f8d38a5324fd819d1c22ff018754dd56c3ca64e8");
+    "f25e8f6f90d61f41c41517e652300566228b077e44cd86f1af2af4a9bed31ad4");
 constexpr std::string_view kReloggedSplitConfigSha1(
-    "3154b2a9f9819d676d40c689a6c2967c2c64152c2845673b78d0c1cdc368d3ec");
+    "f1fabd629bdf8735c3d81bc791d7a454e8e636951c26cba6426545cbc97f911f");
 
 INSTANTIATE_TEST_SUITE_P(
     All, MultinodeLoggerTest,
diff --git a/aos/events/shm_event_loop_test.cc b/aos/events/shm_event_loop_test.cc
index f119479..90a6d1c 100644
--- a/aos/events/shm_event_loop_test.cc
+++ b/aos/events/shm_event_loop_test.cc
@@ -350,7 +350,7 @@
 
   auto builder = sender.MakeBuilder();
   uint8_t *buffer;
-  builder.fbb()->CreateUninitializedVector(5, 1, &buffer);
+  builder.fbb()->CreateUninitializedVector(5, &buffer);
   EXPECT_GE(reinterpret_cast<char *>(buffer), shared_memory.begin());
   EXPECT_LT(reinterpret_cast<char *>(buffer), shared_memory.end());
 }