Make sure all tags and branches are available during docs build (#267)

Author: Nicoretti

.github/workflows/gh-pages.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: SCM Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup Python & Poetry Environment
         uses: ./.github/actions/python-environment

exasol/toolbox/templates/github/workflows/gh-pages.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: SCM Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup Python & Poetry Environment
         uses: exasol/python-toolbox/.github/actions/python-environment@0.15.0