(misc): improve developer workflows, enhance linting capabilities, and update dependencies.

[ss-o]

This pull request includes updates to the pull request template, .gitignore files, and configuration files for markdown, YAML, and Trunk. The changes aim to improve developer workflows, enhance linting capabilities, and update dependencies.

Pull Request Template Update:

• Replaced the old pull request template with a new, more structured format that includes sections for description, motivation, testing, and a detailed checklist. This improves clarity and consistency for contributors. (.github/PULL_REQUEST_TEMPLATE.md)

Gitignore Updates:

• Added *tools and tmp to the .gitignore file under .trunk/ to exclude these directories from version control. (.trunk/.gitignore)

Linting Configuration Updates:

• Disabled the MD026 rule in the Markdown lint configuration, which relates to punctuation in headers. (.trunk/config/.markdownlint.yaml)
• Added new rules to the YAML lint configuration, including stricter handling of quoted strings, prevention of implicit octal values, and duplicate key detection. (.trunk/config/.yamllint.yaml)

Trunk Configuration Updates:

• Upgraded the Trunk CLI version to 1.24.0 and updated plugin references to newer versions, including checkov, oxipng, trufflehog, and more. (.trunk/trunk.yaml)
• Expanded the list of enabled linters and runtimes, adding tools like shellcheck, shfmt, and a newer Python runtime. (.trunk/trunk.yaml)

[github-actions]

Pull Request closed and locked due to lack of activity.
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