fix: use sha256 in screenshot path

makes sure that the filename length does not exceed 255 characters

closes #1 (closed)

nuclei-templates/saml-headless-all.yaml

@@ -8,7 +8,7 @@ variables:
   BEARER_TOKEN: "abcd...789"
   CONFORMANCE_IDP_BASE_URL: https://conformance-idp.maiv1.incubator.geant.org/
   SCREENSHOTS_DIR: ""
-  FILENAME: '{{date_time("%Y-%M-%D_%H-%m-%s")}}-{{replace_regex(BaseURL,"(\\W+)","_")}}'
+  FILENAME: '{{date_time("%Y-%M-%D_%H-%m-%s")}}-{{sha256(BaseURL)}}'
   TEST_CASES:
     - noSignature
     - invalidSignature