Use actions/checkout@v5 for linuxbrew

Author: jjerphan

.github/workflows/brew.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       # v1 required due to permissions error
       - name: Checkout mamba repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v5
 
       - name: Correct the creation permissions
         run: sudo chown -R linuxbrew .