[Feature] DeepSeek V3/R1 INT8 Quantization (channel-wise) (#3888)

Co-authored-by: yych0745 <1398089567@qq.com>
Co-authored-by: sleepcoo <sleepcoo@gmail.com>
Co-authored-by: b0urnee <2769086541@qq.com>

test/srt/run_suite.py

@@ -61,6 +61,7 @@ suites = {
         "test_w8a8_quantization.py",
         "test_fp8_kernel.py",
         "test_block_int8.py",
+        "test_int8_kernel.py",
         "test_reasoning_content.py",
     ],
     "nightly": [