Reduce memory usage to stave off OOM killer

Author: Zentrik

.github/workflows/build-and-test-template.yml

@@ -285,7 +285,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build_julia_assert_linux
     env:
-      JULIA_TEST_MAXRSS_MB: "3800"
+      JULIA_TEST_MAXRSS_MB: "1000"
     steps:
       - name: Download a single artifact
         uses: actions/download-artifact@v4