docs: fix default value for sloglint no-global (#4547)

Author: tmzane

.golangci.next.reference.yml

@@ -2002,12 +2002,16 @@ linters-settings:
     # Enforce using key-value pairs only (overrides no-mixed-args, incompatible with attr-only).
     # Default: false
     kv-only: true
-    # Enforce not using global loggers.
-    # Default: default
-    no-global: all
     # Enforce using attributes only (overrides no-mixed-args, incompatible with kv-only).
     # Default: false
     attr-only: true
+    # Enforce not using global loggers.
+    # Values:
+    # - "": disabled
+    # - "all": report all global loggers
+    # - "default": report only the default slog logger
+    # Default: ""
+    no-global: "all"
     # Enforce using methods that accept a context.
     # Default: false
     context-only: true

.golangci.reference.yml

@@ -2002,12 +2002,16 @@ linters-settings:
     # Enforce using key-value pairs only (overrides no-mixed-args, incompatible with attr-only).
     # Default: false
     kv-only: true
-    # Enforce not using global loggers.
-    # Default: default
-    no-global: all
     # Enforce using attributes only (overrides no-mixed-args, incompatible with kv-only).
     # Default: false
     attr-only: true
+    # Enforce not using global loggers.
+    # Values:
+    # - "": disabled
+    # - "all": report all global loggers
+    # - "default": report only the default slog logger
+    # Default: ""
+    no-global: "all"
     # Enforce using methods that accept a context.
     # Default: false
     context-only: true

jsonschema/golangci.jsonschema.json

@@ -2317,8 +2317,8 @@
             },
             "no-global": {
               "description": "Enforce not using global loggers.",
-              "enum": ["all", "default"],
-              "default": "default"
+              "enum": ["", "all", "default"],
+              "default": ""
             },
             "no-mixed-args": {
               "description": "Enforce not mixing key-value pairs and attributes.",

jsonschema/golangci.next.jsonschema.json

@@ -2317,8 +2317,8 @@
             },
             "no-global": {
               "description": "Enforce not using global loggers.",
-              "enum": ["all", "default"],
-              "default": "default"
+              "enum": ["", "all", "default"],
+              "default": ""
             },
             "no-mixed-args": {
               "description": "Enforce not mixing key-value pairs and attributes.",