Update merge-conflict-bot.yml

Signed-off-by: cheese-cakee <farzanaman99@gmail.com>

Author: cheese-cakee

.github/workflows/bot-merge-conflict.yml

@@ -27,7 +27,7 @@ jobs:
           egress-policy: audit
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Check for merge conflicts