fix(sam-translate.py): add samtranslator to path (#2875)

Co-authored-by: _sam <3804518+aahung@users.noreply.github.com>

bin/sam-translate.py

@@ -7,6 +7,7 @@
 import argparse
 import json
 import logging
+import os
 import platform
 import subprocess
 import sys
@@ -15,6 +16,10 @@
 
 import boto3
 
+# To allow this script to be executed from other directories
+my_path = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, my_path + "/..")
+
 from samtranslator.model.exceptions import InvalidDocumentException
 from samtranslator.public.translator import ManagedPolicyLoader
 from samtranslator.translator.transform import transform