CI: unshallow clone py3-test for versioningit

Author: vishwin

.github/workflows/py3-test.yaml

@@ -8,6 +8,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Run tox
         uses: ./.github/actions/py3-tox
         with:
@@ -19,6 +21,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Run tox
         uses: ./.github/actions/py3-tox
         with:
@@ -35,6 +39,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Run tox
         uses: ./.github/actions/py3-tox
         with:
@@ -46,6 +52,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Install python 3.12
         uses: actions/setup-python@v5
         id: pyinst
@@ -65,6 +73,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Run tox
         uses: ./.github/actions/py3-tox
         with: