increase linux test timeout

Author: Vahid Tavanashad

.github/workflows/conda-package.yml

@@ -218,7 +218,7 @@ jobs:
         id: run_tests_linux
         uses: nick-fields/retry@7152eba30c6575329ac0576536151aca5a72780e # v3.0.0
         with:
-          timeout_minutes: 12
+          timeout_minutes: 15
           max_attempts: ${{ env.RUN_TESTS_MAX_ATTEMPTS }}
           retry_on: any
           command: |