Set timeout to 90 minutes (#60)

Author: rikhuijzer

.github/workflows/CI.yml

@@ -15,7 +15,7 @@ jobs:
   test:
     name: Julia CI
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 60
+    timeout-minutes: 90
     continue-on-error: ${{ matrix.version == 'nightly' }}
     strategy:
       fail-fast: false