Add fetch-depth: 0 to checkout for git header feature in theme (#251)

Author: mmcky

.github/workflows/cache.yml

@@ -11,6 +11,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:

.github/workflows/ci.yml

@@ -7,6 +7,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:

.github/workflows/publish.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with: