update CI

.github/actions/setup_project/action.yml

@@ -12,7 +12,7 @@ runs:
   steps:
     - name: Install apt packages
       if: ${{ inputs.full == 'true' }}
-      uses: awalsh128/cache-apt-pkgs-action@v1.4.3
+      uses: awalsh128/cache-apt-pkgs-action@v1.6.0
       with:
         packages: gettext
         version: 1.0  # increment to reset cache
@@ -23,26 +23,29 @@ runs:
       with:
         redis-version: "7.x"
 
-    - name: Install uv
-      uses: astral-sh/setup-uv@v5
-      with:
-        version: "0.5.14"
-        enable-cache: true
-        cache-dependency-glob: "uv.lock"
-
     - name: "Set up Python"
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version-file: ".python-version"
 
-    - name: Restore cached virtualenv
-      uses: actions/cache/restore@v4
+    - name: Install uv
+      uses: astral-sh/setup-uv@v8.1.0
+      with:
+        version: "0.11.8"
+        enable-cache: false
+        cache-dependency-glob: "uv.lock"
+
+    - name: Restore cached virtualenv
+      uses: actions/cache@v5
       with:
-        key: venv-${{ runner.os }}-${{ hashFiles('.python-version') }}-${{ hashFiles('pyproject.toml') }}-${{ env.CACHE_SUFFIX }}
         path: .venv
+        key: uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
+        restore-keys: |
+          uv-${{ runner.os }}-${{ hashFiles('uv.lock') }}
+          uv-${{ runner.os }}
 
     - name: Install dependencies
-      run: uv sync
+      run: uv sync --locked
       shell: bash
 
     - name: Install Xapian
@@ -50,15 +53,6 @@ runs:
       run: uv run ./manage.py install_xapian
       shell: bash
 
-    # compiling xapian accounts for almost the entirety of the virtualenv setup,
-    # so we save the virtual environment only on workflows where it has been installed
-    - name: Save cached virtualenv
-      if: ${{ inputs.full == 'true' }}
-      uses: actions/cache/save@v4
-      with:
-        key: venv-${{ runner.os }}-${{ hashFiles('.python-version') }}-${{ hashFiles('pyproject.toml') }}-${{ env.CACHE_SUFFIX }}
-        path: .venv
-
     - name: Compile gettext messages
       if: ${{ inputs.full == 'true' }}
       run: uv run ./manage.py compilemessages