ci: Cache example workspace in 'is_up_to_date' job

Author: LukeMathWalker

.github/workflows/docs.yml

@@ -1311,7 +1311,7 @@ jobs:
       with:
         rustflags: ""
         components: rustfmt
-        cache-workspaces: "./libs -> ./target"
+        cache-workspaces: "./docs/examples -> ./target"
     - name: Download pavex CLI artifact
       uses: actions/download-artifact@v5
       with:

ci_utils/templates/job_steps/is_up_to_date.jinja

@@ -9,7 +9,7 @@
   with:
     rustflags: ""
     components: rustfmt
-    cache-workspaces: "./libs -> ./target"
+    cache-workspaces: "./docs/examples -> ./target"
 - name: Download pavex CLI artifact
   uses: actions/download-artifact@v5
   with: