Checklist

Required

• I wrote the PR title in conventional commit format.
• I ran the code formatter.
• I linked any relevant issues using github keyword syntax so it can be closed automatically.
• I have committed my changes to new branch that isn't main so it won't cause conflict when updating main branch later.

Optional

Purpose of change

Update the UDP Redux tileset

Describe the solution

This change adds new sprites for concrete floor, reinforced concrete floor, and concrete wall.

Testing

Teleporting to various locations that uses these sprites.