Ensure that DAP_PORT is always an int (#3241)

Signed-off-by: Gavin Jaeger-Freeborn <gavinfreeborn@gmail.com>
Co-authored-by: jamshale <31809382+jamshale@users.noreply.github.com>

aries_cloudagent/__main__.py

@@ -21,7 +21,7 @@ def init_debug(args):
     # --debug to use microsoft's visual studio remote debugger
     if ENABLE_PTVSD or "--debug" in args:
         DAP_HOST = os.getenv("PTVSD_HOST", None) or os.getenv("DAP_HOST", "localhost")
-        DAP_PORT = os.getenv("PTVSD_PORT", None) or os.getenv("DAP_PORT", 5678)
+        DAP_PORT = int(os.getenv("PTVSD_PORT", None) or os.getenv("DAP_PORT", 5678))
         try:
             import debugpy