e2e: some SCIF tests started to fail overnight

[dtrudg]

The following failures have been observed this morning.

The onset of the failures is not related to any PR merge, suggesting that they are related to a change in the upstream image / SCIF version that the test is using.

--- FAIL: TestE2E/PAR/DOCKER/ordered/scif (83.01s)
                    --- PASS: TestE2E/PAR/DOCKER/ordered/scif/build (79.80s)
                    --- PASS: TestE2E/PAR/DOCKER/ordered/scif/run_echo (0.65s)
                    --- FAIL: TestE2E/PAR/DOCKER/ordered/scif/exec_echo (0.83s)
                    --- PASS: TestE2E/PAR/DOCKER/ordered/scif/run_script (0.56s)
                    --- FAIL: TestE2E/PAR/DOCKER/ordered/scif/exec_script (0.45s)
                    --- PASS: TestE2E/PAR/DOCKER/ordered/scif/exec_script2 (0.72s)

[dtrudg]

See - vsoch/scif#70

[dtrudg]

Addressed in SCIF upstream.