CI: increase timeout to 60 minutes (#57)

Author: DilumAluthge

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 30
+    timeout-minutes: 60
     strategy:
       fail-fast: false
       matrix: