Update report creation code to be supported by v16

Author: Rezney

repos/system_upgrade/el7toel8/actors/checkfirstpartitionoffset/libraries/check_first_partition_offset.py

@@ -54,6 +54,6 @@ def check_first_partition_offset():
             reporting.Summary(summary.format('\n'.join(problematic_devices_fmt))),
             reporting.Remediation(hint=hint.format(SAFE_OFFSET_BYTES // 1024)),
             reporting.Severity(reporting.Severity.HIGH),
-            reporting.Groups([reporting.Groups.BOOT]),
-            reporting.Groups([reporting.Groups.INHIBITOR]),
+            reporting.Tags([reporting.Tags.BOOT]),
+            reporting.Flags([reporting.Flags.INHIBITOR]),
         ])

repos/system_upgrade/el7toel8/actors/checklegacygrub/libraries/check_legacy_grub.py

@@ -63,9 +63,9 @@ def check_grub_disks_for_legacy_grub():
             reporting.Title("GRUB Legacy is used on the system"),
             reporting.Summary(details.format(block_devices_fmt=block_devices_fmt)),
             reporting.Severity(reporting.Severity.HIGH),
-            reporting.Groups([reporting.Groups.BOOT]),
+            reporting.Tags([reporting.Tags.BOOT]),
             reporting.Remediation(hint=hint),
-            reporting.Groups([reporting.Groups.INHIBITOR]),
+            reporting.Flags([reporting.Flags.INHIBITOR]),
             reporting.ExternalLink(url=MIGRATION_TO_GRUB2_GUIDE_URL,
                                    title='How to install GRUB2 after a RHEL6 to RHEL7 upgrade'),
         ])