integration_2022_wk36b

See merge request oai/openairinterface5g!1696

MR !1618 update NR MAC/RLC/PDCP stats
MR !1639 NR handling of PHR (preliminary version)
MR !1676 make 5 MHz BW work in SA mode with OAI UE
MR !1687 quick fix for gnb.sa.band41.fr1.106PRB.usrpb210.conf
MR !1688 fix bug gtp-u len and robustify the gtp-u receiver
MR !1691 Fix power calculation based on CSI-RS
MR !1692 nr rlc: fix in process_control_pdu()
MR !1693 Fix to support subscribing event from another thread
MR !1681 Build RHEL8 images on Openshift Cluster
MR !1595 Sanitize NSSAI configuration in the gNB conf file

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

The plan is to migrate the CI to not need any passwords. This constant
can be used to give a dummy password.

- especially for plmn_list, will allow to be followed by an MCC/MNC in a
  single line
- tightens regexes to match replacements more accurately, e.g., "val =
  key" (instead of just searching for "key)
- no special rule for SD, which matches SD values (and not the SD
  field). However, currently it is not possible to specify multiple SDs
  (multiple SSTs was already not possible)