reinstate fetch-depth for all jobs

.github/workflows/test.yml

@@ -31,6 +31,8 @@ jobs:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
@@ -42,13 +44,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - run: pipx run build
 
   docs:
     name: Docs
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - run: |
         sudo apt-get update
         sudo apt-get install pandoc