Use go.mod for Go version in CI workflow

.github/workflows/ci.yml

@@ -4,9 +4,7 @@ on:
   push:
     branches: ["main"]
   pull_request:
-
-permissions:
-  contents: read
+    branches: ["main"]
 
 jobs:
   test:
@@ -32,5 +30,4 @@ jobs:
         with:
           token: ${{ env.CODECOV_TOKEN }}
           files: coverage.out
-          fail_ci_if_error: true
-          verbose: true
+          fail_ci_if_error: false

CONTRIBUTING.md

@@ -6,7 +6,7 @@ Thank you for your interest in contributing to docker-lint!
 
 ### Prerequisites
 
-- Go 1.22 or later (matches the `go` directive in `go.mod`)
+- Go 1.22.x or later (matches the `go 1.22.0` directive in `go.mod`)
 - Git
 
 ### Getting Started

README.md

@@ -18,7 +18,7 @@ A minimal, production-grade CLI tool for statically analyzing Dockerfiles to det
 
 ### From Source
 
-Requires Go 1.22 or later.
+Requires Go 1.22 or later (as specified in `go.mod`).
 
 ```bash
 go install github.com/devblac/docker-lint/cmd/docker-lint@latest

cmd/docker-lint/main.go

@@ -1,3 +1,4 @@
+// Package main provides the docker-lint CLI entry point.
 package main
 
 import (