WAsm SIMD F32->F16 VCVT microkernels

PiperOrigin-RevId: 408534408
diff --git a/BUILD.bazel b/BUILD.bazel
index 24b9bfb..b57db3c 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -1354,6 +1354,10 @@
     "src/f32-dwconv2d-chw/gen/5x5s2p2-minmax-wasmsimd-x86-splat-2x4.c",
     "src/f32-dwconv2d-chw/gen/5x5s2p2-minmax-wasmsimd-x86-splat-3x4-acc2.c",
     "src/f32-dwconv2d-chw/gen/5x5s2p2-minmax-wasmsimd-x86-splat-3x4.c",
+    "src/f32-f16-vcvt/gen/vcvt-wasmsimd-x8.c",
+    "src/f32-f16-vcvt/gen/vcvt-wasmsimd-x16.c",
+    "src/f32-f16-vcvt/gen/vcvt-wasmsimd-x24.c",
+    "src/f32-f16-vcvt/gen/vcvt-wasmsimd-x32.c",
     "src/f32-gavgpool-cw/wasmsimd-arm-x4.c",
     "src/f32-gavgpool-cw/wasmsimd-x86-x4.c",
     "src/f32-gavgpool/7p7x-minmax-wasmsimd-arm-c4.c",