use https instead of http for vscode urls

[john0isaac]

The markdown-checker action doesn't handle http to https redirection which may flag these urls as broken since vscode enforces https.

[github-actions]

👋 Thanks for contributing @john0isaac! We will review the pull request and get back to you soon.

[github-actions]

Check Broken URLs

We have automatically detected the following broken URLs in your files. Review and fix the paths to resolve this issue.

Check the file paths and associated broken URLs inside them.
For more details, check our Contributing Guide.

File Full Path	Issues
04-prompt-engineering-fundamentals/translations/pt-br/README.md	# Link Line Number 1 https://educationblog.microsoft.com/2023/06/collaborating-to-bring-ai-innovation-to-education?WT.mc_id=academic-105485-koreyst 42
18-fine-tuning/RESOURCES.md	# Link Line Number 1 https://www.microsoft.com/research/blog/phi-2-the-surprising-power-of-small-language-models/?WT.mc_id=academic-105485-koreyst 34
18-fine-tuning/translations/tw/RESOURCES.md	# Link Line Number 1 https://www.microsoft.com/research/blog/phi-2-the-surprising-power-of-small-language-models/?WT.mc_id=academic-105485-koreyst 34