Update snapcraft.yaml (#2231)

Updated Version

Author: random-robbie

snapcraft.yaml

@@ -2,7 +2,7 @@ name: httpx
 summary: httpx is a fast and multi-purpose HTTP toolkit
 description: |
   httpx is a fast and multi-purpose HTTP toolkit allow to run multiple probers using retryablehttp library, it is designed to maintain the result reliability with increased threads.
-version: 'v1.2.1'
+version: 'v1.7.1'
 icon: static/httpx-logo.png
 license: MIT
 base: core18