common: increase PMEM RAS' sensitivity

Include 'fatal: [ras_runner]: UNREACHABLE!' and any other fatal.

Signed-off-by: Jan Michalski <jan.michalski@intel.com>

.github/workflows/pmem_ras.yml

@@ -54,7 +54,7 @@ jobs:
  - name: Fail the workflow if the playbook finished with a failure
  working-directory: ${{ env.WORKDIR }}
  run: |
- if grep -E 'fatal: \[ras_runner\]: FAILED!|failed: \[ras_runner\]' "playbook_output.txt"; then
+ if grep -E '(fatal|failed): \[ras_runner\]' playbook_output.txt; then
  exit 1
  else
  exit 0