chore(ci): Remove unnecessary install step, move checkout to top

.github/workflows/build-test-publish.yml

@@ -74,6 +74,7 @@ jobs:
             dependencies: "pre"
 
     steps:
+    - uses: actions/checkout@v4
     - uses: actions/cache@v4
       with:
         path: /var/lib/apt
@@ -127,8 +128,6 @@ jobs:
           ~/conda_pkgs_dir
           /home/runner/.cache/pip
         key: python-${{ matrix.python-version }}-${{ env.CACHE_NUM }}
-        restore-keys: |
-          python-${{ matrix.python-version }}-${{ env.CACHE_NUM }}
     - name: Install DataLad
       run: |
         conda install git-annex=*=alldep*
@@ -137,13 +136,6 @@ jobs:
     - name: Install fsl and ANTs
       run: |
         conda install fsl-fugue fsl-topup ants
-    - uses: actions/checkout@v4
-    - name: Install dependencies
-      timeout-minutes: 5
-      run: |
-        pip install .[tests]
-
-
     - uses: actions/cache@v4
       with:
         path: ~/.cache/templateflow