[CMake] Renames BUILD files (#6457)

* Renamed build to build.bazel to stop xcode from complaining about it

* Renamed all build to build.bazel

* Fixes small ci issue

.gitignore

@@ -2,6 +2,7 @@
 *_wire.bin
 .DS_Store
 **/.build
+build
 **/Packages
 /*.xcodeproj
 **/xcuserdata/

BUILD.bazel

@@ -1,7 +1,7 @@
-licenses(["notice"])
-
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
 
+licenses(["notice"])
+
 package(
     default_visibility = ["//visibility:public"],
 )

src/BUILD.bazel

@@ -1,9 +1,10 @@
+# @unused
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
+
 package(
     default_visibility = ["//visibility:private"],
 )
 
-load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
-
 # Public flatc library to compile flatbuffer files at runtime.
 cc_library(
     name = "flatbuffers",

tests/BUILD.bazel

@@ -1,4 +1,5 @@
 load("@rules_cc//cc:defs.bzl", "cc_test")
+load("//:build_defs.bzl", "flatbuffer_cc_library")
 
 package(default_visibility = ["//visibility:private"])
 
@@ -70,7 +71,6 @@ cc_test(
 )
 
 # Test bzl rules
-load("//:build_defs.bzl", "flatbuffer_cc_library")
 
 cc_library(
     name = "test_assert",