feat: gcp logging

[ucatbas]

• Added Google Cloud Logging Handler
• Implemented new log.go file - Handler factory

Summary by CodeRabbit

• New Features

  • Introduced a logging handler factory to manage different logging implementations (OTLP and GCP).
  • Enhanced logging configuration with a flexible fanout mechanism for better output handling.

• Bug Fixes

  • Improved error handling for logger exporter configuration, allowing service startup even with invalid settings.

• Chores

  • Updated multiple dependencies to their latest versions for improved compatibility and performance.

[coderabbitai[bot]]

Walkthrough

The pull request includes significant updates to the go.mod file, reflecting changes in various dependency versions, particularly for Google Cloud and OpenTelemetry libraries. Additionally, it introduces a new file, pkg/cmd/log.go, which implements a logging handler factory for OTLP and GCP logging. The pkg/cmd/serve.go file has been modified to replace the OpenTelemetry logging exporter with a new handler created through the factory, improving error handling and streamlining the logging setup process.

Changes

File	Change Summary
go.mod	Updated multiple dependency versions, including google.golang.org/genproto, cloud.google.com/go, and others. New indirect dependency github.com/Permify/sloggcp v0.0.3 added.
pkg/cmd/log.go	Introduced a logging handler factory with functions for creating OTLP and GCP log handlers, including error handling.
pkg/cmd/serve.go	Removed OpenTelemetry logging exporter; replaced with a logging handler from HandlerFactory. Updated error handling for logger initialization. Renamed variable from exporter to customHandler.

Possibly related PRs

• 1641: Introduces multi-handler support for the slog logging framework, relevant to the logging updates in this PR.

• 1723: Updates the go.mod file to include dependencies related to Google Cloud, aligning with the updates in this PR.

Suggested reviewers

• tolgaOzen

🐇 In the meadow, I hop with glee,
New logs and handlers, oh what a spree!
With versions updated, we dance and play,
In the world of code, we find our way.
Hooray for changes, let’s celebrate,
With every new feature, we elevate! 🎉

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