deps: Update all direct dependencies

[bep]

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[Copilot]

Pull request overview

This PR updates all direct dependencies, most notably upgrading AWS SDK v2 from v1.18.x to v1.40.0 and other packages. The code changes adapt to breaking changes in the newer AWS SDK API, particularly around endpoint configuration and pointer types.

Key changes:

• Migrates from EndpointResolverWithOptions to BaseEndpoint in service client options for custom endpoint configuration
• Adapts to AWS SDK v2's use of pointer types for fields like Size, IsTruncated, and ContentLength
• Updates test to verify endpoint configuration at the service client level instead of AWS config level

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
go.mod	Updates Go version to 1.24.0 (invalid) and upgrades all direct dependencies including AWS SDK v2, helpers, predicate, sync, and text packages
go.sum	Updates checksums for all upgraded dependencies
lib/session.go	Removes deprecated endpoint resolver code; endpoint configuration moved to service client creation
lib/s3.go	Implements new BaseEndpoint pattern for S3 and CloudFront clients; adds nil checks for pointer types (Size, IsTruncated); wraps ContentLength with aws.Int64()
lib/session_test.go	Refactors test to verify endpoint at service client level using newRemoteStore; more comprehensive test coverage
.github/workflows/test.yml	Updates test matrix to Go 1.24.x and 1.25.x (invalid versions)

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