fix(reg): Reslove regression port conflicts

Using default port setting caused regression test failed during CI.
Now, we have to assign which port we gonna to use during
regression test.

tests/regression/1_run_TA.sh

@@ -2,8 +2,7 @@ make
 
 redis-server &
 
-bazel run //accelerator &
-TA_pid=$!
+bazel run -- accelerator --ta_port=$1&
 sleep 5
 
 pip install --user -r tests/regression/requirements.txt