tools: add clang-format wrapper

[rockwotj]

Cleanup our clang-format scripts so there is a wrapper around the bazel provided binary and remove the old format-cc script

Backports Required

• [x] none - not a bug fix
• [ ] none - this is a backport
• [ ] none - issue does not exist in previous branches
• [ ] none - papercut/not impactful enough to backport
• [ ] v24.2.x
• [ ] v24.1.x
• [ ] v23.3.x

Release Notes

• none