chore(deps): update dependency pytest to v8

pactflow-renovate-bot[bot] · JP-Ellis · commit 713ac95786f3 · 2025-06-26T09:47:34.000+10:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 Flask==3.1.1
-pytest==6.2.5
+pytest==8.4.0
 requests==2.32.4
 pact_python==2.3.1
