Reenable ASAN workflow.

This reverts commit 2ec3b57.

Author: jralls

.github/workflows/ci-tests.yml

@@ -38,10 +38,7 @@ jobs:
         with:
           name: TestLog
           path: ${{ github.workspace }}/build/Testing/Temporary/LastTest.log
-
-
   ci_tests_ASAN:
-    if: ${{false}} # Temporarily disable, always fails.
     runs-on: ubuntu-latest
     name: Address Sanitizer CI Tests
     continue-on-error: true