Revert "CI and Sandbox: Temporarily remove use of uv"

This reverts commit 76e6494.

.github/workflows/tests.yml

@@ -78,10 +78,13 @@ jobs:
             requirements.txt
             requirements-dev.txt
 
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v4
+
       - name: Set up project
         run: |
           # Install runtime and development requirements.
-          pip install --upgrade -r requirements.txt -r requirements-dev.txt
+          uv pip install --system --upgrade -r requirements.txt -r requirements-dev.txt
 
       - name: Run linter and software tests
         run: |

DEVELOP.md

@@ -7,11 +7,15 @@ docker run --rm -it --name=cratedb \
   --env=CRATE_HEAP_SIZE=2g crate:latest -Cdiscovery.type=single-node
 ```
 
+Install Python package and project manager [uv].
+```shell
+{apt,brew,pip,zypper} install uv
+```
+
 Set up Python environment and install requirements.
 ```shell
-python3 -m venv .venv
-source .venv/bin/activate
-pip install --upgrade -r requirements.txt -r requirements-dev.txt
+uv venv --python=python3.12
+uv pip install --upgrade -r requirements.txt -r requirements-dev.txt
 ```
 
 Invoke linters and software tests.