Use fetcher.supported_schemes() instead of hardcoded list

Author: tetron

cwl_utils/parser/cwl_v1_0.py

@@ -317,7 +317,10 @@ def expand_url(
     split = urlsplit(url)
 
     if (
-        (bool(split.scheme) and split.scheme in ["http", "https", "file"])
+        (
+            bool(split.scheme)
+            and split.scheme in loadingOptions.fetcher.supported_schemes()
+        )
         or url.startswith("$(")
         or url.startswith("${")
     ):

cwl_utils/parser/cwl_v1_1.py

@@ -317,7 +317,10 @@ def expand_url(
     split = urlsplit(url)
 
     if (
-        (bool(split.scheme) and split.scheme in ["http", "https", "file"])
+        (
+            bool(split.scheme)
+            and split.scheme in loadingOptions.fetcher.supported_schemes()
+        )
         or url.startswith("$(")
         or url.startswith("${")
     ):

cwl_utils/parser/cwl_v1_2.py

@@ -317,7 +317,10 @@ def expand_url(
     split = urlsplit(url)
 
     if (
-        (bool(split.scheme) and split.scheme in ["http", "https", "file"])
+        (
+            bool(split.scheme)
+            and split.scheme in loadingOptions.fetcher.supported_schemes()
+        )
         or url.startswith("$(")
         or url.startswith("${")
     ):