[docs] upd docker files names everywhere (#12133)

scripts/release/README.md

@@ -15,7 +15,7 @@ python scripts/release/bump_sglang_version.py 0.5.3rc0
 **Files updated:**
 - `Makefile`
 - `benchmark/deepseek_v3/README.md`
-- `docker/Dockerfile.rocm`
+- `docker/rocm.Dockerfile`
 - `docs/get_started/install.md`
 - `docs/platforms/amd_gpu.md`
 - `docs/platforms/ascend_npu.md`

scripts/release/bump_sglang_version.py

@@ -20,7 +20,7 @@ def main():
 
     files_to_update = [
         Path("benchmark/deepseek_v3/README.md"),
-        Path("docker/Dockerfile.rocm"),
+        Path("docker/rocm.Dockerfile"),
         Path("docs/get_started/install.md"),
         Path("docs/platforms/amd_gpu.md"),
         Path("docs/platforms/ascend_npu.md"),