PyIceberg 0.11.0rc2

infra: allow rerun `make install` without prompt (#2979)

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# Rationale for this change
This PR lets `uv` manage the virtual env. uv will only setup a new venv
if it does not exist and sync dep only when necessary.
This should make the entire `make install` process a lot faster and
easier to work with

### Context
I noticed running `make install` when a `.venv` already existed would
show an interactive prompt:
```
➜  make install
uv is already installed.
uv venv 
Using CPython 3.12.11 interpreter at: /Users/kevinliu/.pyenv/versions/3.12.11/bin/python3
Creating virtual environment at: .venv
? A virtual environment already exists at `.venv`. Do you want to replace it? [y/n] › yes

hint: Use the `--clear` flag or set `UV_VENV_CLEAR=1` to skip this prompt
```

We dont need this prompt. And more crucially, claude keeps on getting
stuck on this prompt 😞

## Are these changes tested?
Yes running `make install` repeatedly 

## Are there any user-facing changes?

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