Update documentation.yml

(cherry picked from commit 3945b67d118ee14258727cd19b6891f5540ad7b1)

Author: stephencelis

.github/workflows/documentation.yml

@@ -51,9 +51,9 @@ jobs:
         run: >
           rm -rf docs-out/.git;
           rm -rf docs-out/main;
-          rm -rf docs-out/protocol;
+          rm -rf docs-out/protocol-beta;
 
-          for tag in $(echo "main"; echo "protocol"; git tag);
+          for tag in $(echo "main"; echo "protocol-beta"; git tag);
           do
             echo "⏳ Generating documentation for "$tag" release.";