F16->F32 conversion microkernels in AVX512-SKX implementation

PiperOrigin-RevId: 399097172
diff --git a/BUILD.bazel b/BUILD.bazel
index 23a573f..44c43a1 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -5535,6 +5535,8 @@
 ]
 
 ALL_AVX512SKX_MICROKERNEL_SRCS = [
+    "src/f16-f32-vcvt/gen/vcvt-avx512skx-x16.c",
+    "src/f16-f32-vcvt/gen/vcvt-avx512skx-x32.c",
     "src/qc8-dwconv/gen/up16x9-minmax-fp32-avx512skx-mul32.c",
     "src/qc8-dwconv/gen/up16x25-minmax-fp32-avx512skx-mul32.c",
     "src/qc8-dwconv/gen/up32x9-minmax-fp32-avx512skx-mul32.c",