feat(purescript): add support for spago-next configuration files (#6036)

* update: add purescript spago-next configuration files

in upcoming spago projects, the configuration file is changing from
spago.dhall -> spago.yaml and spago.lock. This will detect both styles
for the time being

* fix typo

did not update test. spago.yaml -> spago.lock in the spago lock file
test case

.github/config-schema.json

@@ -1376,7 +1376,9 @@
           "purs"
         ],
         "detect_files": [
-          "spago.dhall"
+          "spago.dhall",
+          "spago.yaml",
+          "spago.lock"
         ],
         "detect_folders": [],
         "disabled": false,
@@ -5156,7 +5158,9 @@
         },
         "detect_files": {
           "default": [
-            "spago.dhall"
+            "spago.dhall",
+            "spago.yaml",
+            "spago.lock"
           ],
           "type": "array",
           "items": {