Use v0.29 of the shared CI workflow

Author: Ortham

.github/workflows/ci.yml

@@ -5,4 +5,4 @@ on: [push, pull_request]
 
 jobs:
   validate:
-    uses: loot/prelude/.github/workflows/masterlist-ci.yml@v0.26
+    uses: loot/prelude/.github/workflows/masterlist-ci.yml@v0.29