[Bugfix] add compilation/__init__.py to fix import error (#1152)

1. Add `__init__.py` for vllm_ascend/compilation to make sure it's a
python module
2. Fix model runner bug to keep the same with vllm
3. Add release note for 0.9.0rc2

---------

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

vllm_ascend/worker/model_runner_v1.py

@@ -496,7 +496,11 @@ class NPUModelRunner(LoRAModelRunnerMixin):
             # Update the block IDs.
             if not req_data.resumed_from_preemption:
                 # Append the new blocks to the existing block IDs.
-                req_state.block_ids.extend(req_data.new_block_ids)
+                for block_ids, new_block_ids in zip(  # type: ignore[call-overload]
+                        req_state.block_ids,
+                        req_data.new_block_ids,
+                        strict=True):
+                    block_ids.extend(new_block_ids)
             else:
                 # The request is resumed from preemption.
                 # Replace the existing block IDs with the new ones.