chore: update implementation

Author: ldez

.golangci.next.reference.yml

@@ -1795,6 +1795,7 @@ linters:
         - identical # Identifies interfaces in the same package that have identical method sets.
         - unused # Identifies interfaces that are not used anywhere in the same package where the interface is defined.
         - opaque # Identifies functions that return interfaces, but the actual returned value is always a single concrete implementation.
+        - unexported # Identifies interfaces that are not exported but are used in exported functions or methods.
       settings:
         unused:
           # List of packages path to exclude from the check.

jsonschema/golangci.next.jsonschema.json

@@ -661,7 +661,8 @@
       "enum": [
         "identical",
         "unused",
-        "opaque"
+        "opaque",
+        "unexported"
       ]
     },
     "tagliatelle-cases": {