chore: rename severity option

Author: ldez

.golangci.next.reference.yml

@@ -4236,7 +4236,7 @@ severity:
   # `@linter` can be used as severity value to keep the severity from linters (e.g. revive, gosec, ...)
   #
   # Default: ""
-  default-severity: error
+  default: error
 
   # If set to true `severity-rules` regular expressions become case-sensitive.
   # Default: false

jsonschema/golangci.next.jsonschema.json

@@ -4417,7 +4417,7 @@
       "type": "object",
       "additionalProperties": false,
       "properties": {
-        "default-severity": {
+        "default": {
           "description": "Set the default severity for issues. If severity rules are defined and the issues do not match or no severity is provided to the rule this will be the default severity applied. Severities should match the supported severity names of the selected out format.",
           "type": "string",
           "default": ""
@@ -4468,7 +4468,7 @@
           "default": []
         }
       },
-      "required": ["default-severity"]
+      "required": ["default"]
     }
   }
 }

pkg/config/severity.go

@@ -8,7 +8,7 @@ import (
 const severityRuleMinConditionsCount = 1
 
 type Severity struct {
-	Default       string         `mapstructure:"default-severity"`
+	Default       string         `mapstructure:"default"`
 	CaseSensitive bool           `mapstructure:"case-sensitive"`
 	Rules         []SeverityRule `mapstructure:"rules"`
 }