Update dependencies, Go version, and build pipeline

[Copilot]

This PR updates the project dependencies to their latest stable versions, bumps the Go version, and modernizes the build pipeline for better compatibility and security.

Changes Made

Go Version Update

• Updated Go version from 1.17 to 1.23 for improved performance and access to newer language features

Dependency Updates

• github.com/lib/pq: v1.10.4 → v1.10.9 (PostgreSQL driver with bug fixes and improvements)
• github.com/stretchr/testify: v1.7.0 → v1.11.1 (testing framework with enhanced features and bug fixes)
• github.com/davecgh/go-spew: v1.1.0 → v1.1.1 (indirect dependency update)
• gopkg.in/yaml.v3: Updated to v3.0.1 (indirect dependency update)

Build Pipeline Modernization

• Updated GitHub Actions workflow to use Go 1.23 (matching the project's Go version)
• Updated actions/setup-go from v2 to v5
• Updated actions/checkout from v2 to v4
• Modernized linter installation using go install instead of deprecated go get
• Updated dependency download to use go mod download instead of deprecated go get -d
• Reordered workflow steps for better performance and caching

Verification

All existing functionality has been preserved:

• ✅ All tests continue to pass
• ✅ Code builds successfully
• ✅ Linting passes without issues
• ✅ go vet passes without warnings

The updates bring security fixes, performance improvements, and better compatibility with modern Go tooling while maintaining full backward compatibility with the existing API.

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[ziflex]

@copilot Update the build pipeline, please.

[Copilot]

@copilot Update the build pipeline, please.

Updated the build pipeline to use Go 1.21 and modern GitHub Actions. Changes include updating the Go version, GitHub Actions versions, and using current best practices for dependency management and linter installation. (afd7255)

[ziflex]

@copilot let's bump Go version up to 1.23.

[Copilot]

@copilot let's bump Go version up to 1.23.

Updated Go version from 1.21 to 1.23 in both go.mod and GitHub Actions workflow. All tests pass and the build is successful with Go 1.23. (2f27009)