chore: downgrade to go1.19

Author: ldez

go.mod

@@ -1,6 +1,6 @@
 module github.com/golangci/golangci-lint
 
-go 1.20
+go 1.19
 
 require (
 	4d63.com/gocheckcompilerdirectives v1.2.1

netlify.toml

@@ -1,21 +1,21 @@
 [context.production.environment]
-  GO_VERSION = "1.20"
+  GO_VERSION = "1.19"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"
 #   NPM_FLAGS = "--force"
   NPM_VERSION = "8.5.5"
 
 [context.deploy-preview.environment]
-  GO_VERSION = "1.20"
+  GO_VERSION = "1.19"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"
 #   NPM_FLAGS = "--force"
   NPM_VERSION = "8.5.5"
 
 [context.branch-deploy.environment]
-  GO_VERSION = "1.20"
+  GO_VERSION = "1.19"
   NODE_VERSION = "17"
   # TODO https://github.com/golangci/golangci-lint/pull/2904#issuecomment-1146870535
 #   NPM_FLAGS = "--legacy-peer-deps"

pkg/lint/lintersdb/custom_linters.go

@@ -1,7 +1,6 @@
 package lintersdb
 
 import (
-	"errors"
 	"fmt"
 	"path/filepath"
 	"plugin"
@@ -98,7 +97,8 @@ func (m *Manager) lookupPlugin(plug *plugin.Plugin, settings any) ([]*analysis.A
 	if err != nil {
 		analyzers, errP := m.lookupAnalyzerPlugin(plug)
 		if err != nil {
-			return nil, errors.Join(err, errP)
+			// TODO(ldez): use `errors.Join` when we will upgrade to go1.20.
+			return nil, fmt.Errorf("%s: %w", err, errP)
 		}
 
 		return analyzers, nil
@@ -119,7 +119,8 @@ func (m *Manager) lookupAnalyzerPlugin(plug *plugin.Plugin) ([]*analysis.Analyze
 		return nil, err
 	}
 
-	m.log.Warnf("plugin: 'AnalyzerPlugin' plugins are deprecated, please the new plugin signature: https://golangci-lint.run/contributing/new-linters/#create-a-plugin")
+	m.log.Warnf("plugin: 'AnalyzerPlugin' plugins are deprecated, please the new plugin signature:" +
+		"https://golangci-lint.run/contributing/new-linters/#create-a-plugin")
 
 	analyzerPlugin, ok := symbol.(AnalyzerPlugin)
 	if !ok {