fixup! test(ci): add changelog job that runs cargo xtask changelog

Author: ErichDonGubler

.github/workflows/ci.yml

@@ -68,8 +68,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: 'PR commits + 1'
+        run: echo "PR_FETCH_DEPTH=$(( ${{ github.event.pull_request.commits }} + 1 ))" >> "${GITHUB_ENV}"
+
       - name: Checkout repo
         uses: actions/checkout@v5
+        with:
+          fetch-depth: ${{ env.PR_FETCH_DEPTH }}
 
       - uses: actions/github-script@v7
         id: get-pull
@@ -111,11 +116,6 @@ jobs:
           fi
           git branch -f ${{ github.base_ref }} $REMOTE/${{ github.base_ref }}
 
-      - name: Caching
-        uses: Swatinem/rust-cache@v2
-        with:
-          key: clippy-${{ matrix.target }}-${{ matrix.kind }}-${{ env.CACHE_SUFFIX }}
-
       - name: Run `cargo xtask changelog …`
         run: |
           cargo xtask changelog "${{ github.base_ref }}"