fix CI (hopefully)

.github/actions/restore-raptor-build-cache/action.yml

@@ -0,0 +1,26 @@
+name: Restore Raptor Build Cache
+description: Restore the cached raptor build directory for incremental builds.
+
+inputs:
+  key:
+    description: Exact cache key to restore.
+    required: true
+  restore-keys:
+    description: Prefixes used to restore the most recent compatible cache.
+    required: false
+
+outputs:
+  cache-hit:
+    description: Whether the exact cache key was restored.
+    value: ${{ steps.restore-raptor-build-cache.outputs.cache-hit }}
+
+runs:
+  using: composite
+  steps:
+    - name: Restore raptor build cache
+      id: restore-raptor-build-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: build
+        key: ${{ inputs.key }}
+        restore-keys: ${{ inputs.restore-keys }}