Make upb compatible with `--incompatible_disallow_empty_glob`

This will allow us to run all the upb tests from the protobuf repo, which
already uses this flag. I just had to remove a couple glob patterns that did
not match any files.

PiperOrigin-RevId: 559434154

.bazelrc

@@ -5,6 +5,9 @@ build --features=-debug_prefix_map_pwd_is_dot
 build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17
 build:cpp17_msvc --cxxopt=/std:c++17 --host_cxxopt=/std:c++17
 
+# Disallow empty globs
+build: --incompatible_disallow_empty_glob
+
 # Use our custom-configured c++ toolchain.
 
 build:m32 --copt=-m32 --linkopt=-m32

BUILD

@@ -691,7 +691,6 @@ filegroup(
             "upb/**/*.c",
             "upb/**/*.h",
             "upb/**/*.hpp",
-            "upb/**/*.inc",
        ],
         exclude = [
             "upb/**/conformance_upb.c",

upb/port/BUILD

@@ -50,7 +50,6 @@ filegroup(
     name = "source_files",
     srcs = glob(
         [
-            "**/*.c",
             "**/*.h",
             "**/*.inc",
         ],