feat: add dependabot.yml for weekly updates of GitHub Actions
chore: update Python version from 3.11 to 3.12 in .mise.toml and pyproject.toml
chore: update various dependencies in pyproject.toml to their latest versions
feat: add dependency-review.yml for automated dependency review on pull requests and weekly schedule
feat: add docker-compose.yml for setting up bot and postgres services in Docker environment
build(.pre-commit-config.yaml): update ruff-pre-commit version to v0.3.5
refactor(tux/cogs/utility/guide.py): remove guild banner from server guide embed
refactor(tux/cogs/utility/ping.py): use EmbedCreator for creating embeds
refactor(tux/utils/constants.py): reorganize and add new constants for embeds and interactions
feat(tux/utils/embeds.py): add new EmbedCreator class for creating standardized embeds
refactor(tux/utils/embedbuilder.py): remove unused embedbuilder file
