feat: bump golangci-lint v2, add log color

[tuanvumaihuynh]

No description provided.

[Copilot]

Pull Request Overview

This PR upgrades golangci-lint to v2 and enhances logging with color support. The changes primarily focus on improving log formatting with colored output using the tint library and updating the slog API usage for consistency.

• Upgrades golangci-lint from v1.64.6 to v2.4.0 with updated configuration
• Adds colored console logging using the lmittmann/tint library
• Updates slog method calls to use context-aware logging methods throughout the codebase

Reviewed Changes

Copilot reviewed 38 out of 39 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
go.mod	Adds tint v1.1.2 dependency for colored logging
Makefile	Updates golangci-lint command to use v2.4.0
.golangci.yml	Major restructure for v2 configuration format with sloglint rules
.github/workflows/go-ci.yml	Updates CI to use golangci-lint v2.4.0
internal/logging/logging.go	Replaces text handler with tint for colored console output
Multiple service files	Updates slog calls to use context-aware methods and proper attribute formatting

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