docs: add arguments to revive.error-strings (#5455)

Author: alexandear

.golangci.next.reference.yml

@@ -2580,6 +2580,8 @@ linters-settings:
         severity: warning
         disabled: false
         exclude: [""]
+        arguments:
+          - "xerrors.New"
       # https://github.com/mgechev/revive/blob/HEAD/RULES_DESCRIPTIONS.md#errorf
       - name: errorf
         severity: warning

pkg/golinters/revive/testdata/revive.go

@@ -5,6 +5,8 @@ package testdata
 import (
 	"net/http"
 	"time"
+
+	"golang.org/x/xerrors"
 )
 
 func SampleRevive(t *time.Duration) error {
@@ -28,3 +30,7 @@ func testReviveComplexity(s string) { // want "cyclomatic: function testReviveCo
 		return
 	}
 }
+
+func testErrorStrings() {
+	_ = xerrors.New("Some error!") // want "error strings should not be capitalized or end with punctuation or a newline"
+}

pkg/golinters/revive/testdata/revive.yml

@@ -17,3 +17,6 @@ linters-settings:
         arguments: [ 10 ]
       - name: max-public-structs
         arguments: [ 3 ]
+      - name: error-strings
+        arguments:
+          - "xerrors.New"