Fix perms

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

.github/workflows/pull_request.yaml

@@ -4,9 +4,11 @@ on:
         types: [opened, edited, labeled, unlabeled, synchronize]
     merge_group:
         types: [checks_requested]
-permissions: {} # We use ELEMENT_BOT_TOKEN instead
+permissions: {}
 jobs:
     action:
         uses: matrix-org/matrix-js-sdk/.github/workflows/pull_request.yaml@develop
+        permissions:
+            pull-requests: read
         secrets:
             ELEMENT_BOT_TOKEN: ${{ secrets.ELEMENT_BOT_TOKEN }}