Switch server tests in CI to use uv

This gets rid of datalad-installer and (implicit?) conda usage, as a
reaction to installation errors. While changing the workflows, the
checkout action is bumped to v5.

Author: mslw

.github/workflows/deploy-test.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
 
       - name: Checkout tools repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
         with:
           repository: psychoinformatics-de/sfb1451_data_entry
           path: sfb1451_data_entry

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
 
       - name: Checkout tools repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
         with:
           repository: psychoinformatics-de/sfb1451_data_entry
           path: sfb1451_data_entry

.github/workflows/run-server-tests.yml

@@ -5,40 +5,33 @@ on: [push]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.11]
-
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+      - uses: actions/checkout@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.11"
+      - name: Set up Python 3.11
+        run: uv python install
       - name: Install dependencies
+        env:
+          UV_SYSTEM_PYTHON: 1
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install datalad-installer
-          datalad-installer datalad git-annex
-          export PATH="$PATH:/usr/share/miniconda/bin"
+          uv tool install git-annex
+          uv tool install datalad
+          if [ -f requirements-devel.txt ]; then uv pip install -r requirements-devel.txt; fi
           echo which git-annex
           which git-annex
           echo which datalad
           which datalad
           datalad --version
-          if [ -f requirements-devel.txt ]; then pip install -r requirements-devel.txt; fi
-          pip install datalad --upgrade
-          which datalad
-          datalad --version
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
           flake8 . --count --ignore E501,E722,E402 --show-source --statistics
       - name: Test with pytest
         run: |
-          export PATH="$PATH:/usr/share/miniconda/bin"
           git config --global user.email "github-test@example.com"
           git config --global user.name "Github Testscript"
           pytest