Update cache-pixi-lock

Parcels-code/Parcels#2343
Parcels-code/Parcels#2351

Author: VeckoTheGecko

.github/workflows/cache-pixi-lock.yml

@@ -2,6 +2,9 @@ name: Generate and cache Pixi lockfile
 
 on:
   workflow_call:
+    inputs:
+      pixi-version:
+        type: string
     outputs:
       cache-id:
         description: "The lock file contents"
@@ -17,7 +20,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-          sparse-checkout: pixi.toml
+          submodules: recursive
       - name: Get current date
         id: date
         run: echo "date=$(date +'%Y-%m-%d')" >> "$GITHUB_OUTPUT"
@@ -30,7 +33,7 @@ jobs:
       - uses: prefix-dev/[email protected]
         if: ${{ !steps.restore.outputs.cache-hit }}
         with:
-          pixi-version: v0.49.0
+          pixi-version: ${{ inputs.pixi-version }}
           run-install: false
       - name: Run pixi lock
         if: ${{ !steps.restore.outputs.cache-hit }}