[wpiutil] Add protobuf to thirdparty sources (#5746)

upstream_utils/protobuf_patches/0005-Suppress-enum-enum-conversion-warning.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Peter Johnson <johnson.peter@gmail.com>
+Date: Sat, 10 Jun 2023 15:13:45 -0700
+Subject: [PATCH 05/11] Suppress enum-enum conversion warning
+
+---
+ src/google/protobuf/generated_message_tctable_impl.h | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/src/google/protobuf/generated_message_tctable_impl.h b/src/google/protobuf/generated_message_tctable_impl.h
+index 21fa5332d39b24e0bdb6432f27183df743d512c6..ce3d9110e28706ca18dcf0f2c94feba75f447dc7 100644
+--- a/src/google/protobuf/generated_message_tctable_impl.h
++++ b/src/google/protobuf/generated_message_tctable_impl.h
+@@ -180,6 +180,12 @@ static_assert(kFmtShift + kFmtBits == 12, "number of bits changed");
+ // This assertion should not change unless the storage width changes:
+ static_assert(kFmtShift + kFmtBits <= 16, "too many bits");
+ 
++#ifdef __GNUC__
++#pragma GCC diagnostic push
++#if __GNUC__ >= 12 || (__GNUC__ == 11 && __GNUC_MINOR >= 1)
++#pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion"
++#endif
++#endif
+ // Convenience aliases (16 bits, with format):
+ enum FieldType : uint16_t {
+   // Numeric types:
+@@ -232,6 +238,9 @@ enum FieldType : uint16_t {
+   // Map types:
+   kMap             = kFkMap,
+ };
++#ifdef __GNUC__
++#pragma GCC diagnostic pop
++#endif
+ 
+ // clang-format on
+ }  // namespace field_layout