fix(ci): update installation requirements for npm run build

- Pin python-version to 3.13 (was floating to 3.14 via '3.x')
- Install setuptools in build job; gulpfile shells out to
  setup.py extract_messages and 3.12+ no longer bundles it
- Add mise.toml (python=3.13, node=24) so local matches CI

Signed-off-by: Gabriel Harris-Rouquette <gabizou@me.com>

Author: gabizou

.github/workflows/build.yml

@@ -22,14 +22,15 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.x'
+        python-version: '3.13'
         cache: 'pip'
     - name: Install NPM dependencies
       run: npm ci
     - name: Install Python dependencies
       run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
+          pip install setuptools
     - name: Build
       run: npm run build
 
@@ -47,7 +48,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.x'
+        python-version: '3.13'
         cache: 'pip'
     - name: Install NPM dependencies
       run: npm ci

mise.toml

@@ -0,0 +1,3 @@
+[tools]
+python = "3.13"
+node = "24"