Add int8 Core ML variant (embedding table quantized)

.gitattributes

@@ -39,3 +39,4 @@ xnnpack/multi_qa_minilm_l6_cos_v1_xnnpack_fp32.pte filter=lfs diff=lfs merge=lfs
 coreml/multi_qa_minilm_l6_cos_v1_coreml_fp16.pte filter=lfs diff=lfs merge=lfs -text
 coreml/multi_qa_minilm_l6_cos_v1_coreml_fp32.pte filter=lfs diff=lfs merge=lfs -text
 vulkan/multi_qa_minilm_l6_cos_v1_vulkan_fp16.pte filter=lfs diff=lfs merge=lfs -text
+coreml/multi_qa_minilm_l6_cos_v1_coreml_int8.pte filter=lfs diff=lfs merge=lfs -text

coreml/multi_qa_minilm_l6_cos_v1_coreml_int8.pte

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5354503ef8ef1efc9f483c5a5c2a314a7caa38fd58f029794dc936da14ff61e2
+size 22817740