feat(contract): update to cairo 2.7.1, OZ 0.15.1 and starknet-foundry 0.28.0

[ptisserand]

Description

1. Update cairo to 2.7.1
2. Update starknet-foundry to 0.28.0
3. Update OpenZeppelin to 0.15.1

What type of PR is this? (check all applicable)

• 🍕 Feature (feat:)
• 🐛 Bug Fix (fix:)
• 📝 Documentation Update (docs:)
• 🎨 Style (style:)
• 🧑‍💻 Code Refactor (refactor:)
• 🔥 Performance Improvements (perf:)
• ✅ Test (test:)
• 🤖 Build (build:)
• 🔁 CI (ci:)
• 📦 Chore (chore:)
• ⏩ Revert (revert:)
• 🚀 Breaking Changes (BREAKING CHANGE:)

Related Tickets & Documents

Added tests?

• 👍 yes
• 🙅 no, because they aren't needed
• 🙋 no, because I need help

Added to documentation?

• 📜 README.md
• 📓 Documentation
• 🙅 no documentation needed

[optional] Are there any post-deployment tasks we need to perform?

[optional] What gif best describes this PR or how it makes you feel?

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Closing Issues

[linear]

DEV-735 Update smart contract to cairo 2.7.1 & starknet-foundry 0.28.0

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Latest commit: 6ff57c3

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