ci: Bump aarch64-linux timeout to 9 hours.

These seem to be timing out under load lately.

Author: alexrp

.github/workflows/ci.yaml

@@ -29,15 +29,15 @@ jobs:
       - name: Build and Test
         run: sh ci/x86_64-linux-release.sh
   aarch64-linux-debug:
-    timeout-minutes: 480
+    timeout-minutes: 540
     runs-on: [self-hosted, Linux, aarch64]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Build and Test
         run: sh ci/aarch64-linux-debug.sh
   aarch64-linux-release:
-    timeout-minutes: 480
+    timeout-minutes: 540
     runs-on: [self-hosted, Linux, aarch64]
     steps:
       - name: Checkout