fix(golang): update debian OS level tags on golang samples

[glasnt]

Updates the base debian OS images from Debian 10 (buster) to Debian 13 (trixie)

[gemini-code-assist]

Summary of Changes

Hello @glasnt, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on maintaining the currency and simplicity of the Docker build environments for Go samples. It updates the Go compiler version to a more recent release and refines the base Debian images by removing specific distribution tags, ensuring the samples leverage up-to-date and cleaner Docker configurations.

Highlights

• Go Version Update: The Go compiler version used in the Dockerfiles has been upgraded from 1.20-buster to 1.24 for building the Go samples.
• Debian Base Image Streamlining: The specific Debian OS level tags, such as buster, have been removed from both the Go builder image and the final production debian-slim base image, opting for more generic and current tags like golang:1.24 and debian:slim.

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[gemini-code-assist]

Code Review

This pull request updates the Dockerfiles for the Go samples, removing the Debian OS-level tags and upgrading the Go version from 1.20 to 1.24. These are good changes that improve maintainability by using more generic tags. I have one suggestion to ensure consistency across the Go toolchain versions used in the project.