[SC-10190] Git ignore .direnv/ and .envrc

[hunner]

Pull Request Description

What

This PR adds .direnv/ and .envrc to .gitignore. Direnv https://direnv.net/ is a handy way to have per-project environment variables and other environment artifacts and load them when cding into a project.

Why

Besides the fact that it's annoying to have files show up as untracked in git, VSCode search automatically excludes files and folders based on the git ignore. My environment populates .direnv/ with temporary files from the project and should not show up in VSCode search.

How to Test

touch .envrc && git status | grep .envrc

Checklist

• PR body describes what, why, and how to test
• Breaking changes identified
• Labels applied
• PR linked to Shortcut
• Tested locally
• Documentation updated (if required)

[CLAassistant]

All committers have signed the CLA.

[github-actions]

PR Summary

This pull request updates the .gitignore file to include two new entries: .envrc and .direnv/. These additions are intended to prevent environment configuration files and directories used by the direnv tool from being tracked in the repository. This change helps maintain a clean repository by ensuring that local environment-specific files are not accidentally committed.

Test Suggestions

• Verify that .envrc and .direnv/ are correctly ignored by Git by creating these files/directories and checking their status with git status.
• Ensure that existing functionality is not affected by these changes in the .gitignore file.