ci(pull-requests.yml): use AND not OR for tree-wide check (catppuccin#1545)

Author: uncenter

.github/workflows/pull-requests.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   triage:
     runs-on: ubuntu-latest
-    if: ${{ !contains(github.event.pull_request.title, '(tree-wide)') || !contains(github.event.pull_request.title, '(treewide)') }}
+    if: ${{ !contains(github.event.pull_request.title, '(tree-wide)') && !contains(github.event.pull_request.title, '(treewide)') }}
 
     steps:
       - uses: actions/checkout@v4