bump golangci-lint to 2.3.0 (#4774)

Author: bluenviron-bot

.github/workflows/code_lint.yml

@@ -23,7 +23,7 @@ jobs:
 
     - uses: golangci/golangci-lint-action@v8
       with:
-        version: v2.2.0
+        version: v2.3.0
 
   mod_tidy:
     runs-on: ubuntu-22.04

Makefile

@@ -1,5 +1,5 @@
 BASE_IMAGE = golang:1.24-alpine3.20
-LINT_IMAGE = golangci/golangci-lint:v2.2.0
+LINT_IMAGE = golangci/golangci-lint:v2.3.0
 NODE_IMAGE = node:20-alpine3.20
 
 .PHONY: $(shell ls)