Change: Add poetry dependency on httpx

Author: hd-gb

debian/control

@@ -14,6 +14,7 @@ Build-Depends:
   python3-lxml,
   python3-defusedxml,
   python3-paramiko,
+  python3-httpx,
   dh-python,
   python3-poetry-core,
   pybuild-plugin-pyproject (>= 5),