Add --noenable_bzlmod to .bazelrc

* This is a workaround for the build failure.

```
./base/logging.h:175:9: error: no match for 'operator<<' (operand types are 'std::ostringstream' {aka 'std::__cxx11::basic_ostringstream<char>'} and 'const mozc::commands::Input')
  175 |     os_ << v;
      |     ~~~~^~~~
In file included from /usr/include/c++/13/bits/unique_ptr.h:42,
                 from /usr/include/c++/13/memory:78,
                 from ./client/client.h:36,
                 from client/client.cc:32:
```

PiperOrigin-RevId: 591739675

src/.bazelrc

@@ -8,6 +8,8 @@ build --host_copt "-funsigned-char"
 build --host_copt "-Wno-sign-compare"
 build --host_copt "-Wno-char-subscripts"
 build --objccopt "-fsigned-char"
+# enable_bzlmod causes the build failure. Suppress it util the fix.
+build --noenable_bzlmod
 
 # Linux
 build:linux --define TARGET=oss_linux --copt "-fPIC"