fix: add and use `delete_stack` in `dynamic_stack.c`

[vil02]

Description of Change

There is a memory leak in dynamic_stack.c. This PR adds a delete_stack function to fix it.

References

Checklist

• [x] Added description of change
• [x] Relevant documentation/comments is changed or added
• [x] PR title follows semantic commit guidelines
• [x] Search previous suggestions before making a new one, as yours may be a duplicate.
• [x] I acknowledge that all my contributions will be made under the project's license.

Notes: Removes memory leak in dynamic_stack.c.

[github-actions[bot]]

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