Update from master

Squashed commit of the following:

commit e0136521
Author: k4.rahul <rahul.k4@tataelxsi.co.in>
Date:   Wed Apr 19 17:04:06 2023 +0530

    Feature 10945: Service KPI of VNF using exporter endpoint

    This change has to be merged with this LCM change https://osm.etsi.org/gerrit/#/c/osm/LCM/+/13236/



    Change-Id: Id1851a4f3dceddefc6c50d8f8d5335c64e01da99
    Signed-off-by: k4.rahul <rahul.k4@tataelxsi.co.in>

commit 215c0ca1
Author: elumalai <deepika.e@tataelxsi.co.in>
Date:   Tue Apr 25 16:12:06 2023 +0530

    Feature 10979: Static IPv6 Dual Stack Assignment

    Added support to modify ip-address type from leaf
    to leaf-list

    Change-Id: I5b4d4d662802a6816f7879362de42bf3bd99f17e
    Signed-off-by: elumalai <deepika.e@tataelxsi.co.in>

commit beff3a1d
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Wed May 10 17:41:51 2023 +0200

    Update IM requirements

    Change-Id: I7cb28c3262a4d52f2565a8656b52c39cb759222e
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

commit 9a62007a
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Tue Apr 25 01:14:45 2023 +0200

    Support of Python 3.10

    Adds a patch to pyangbind to continue to work with updated
    packages

    Change-Id: I0b33375ddbb96734ae72669baaef744bf2152bb1
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
    Signed-off-by: Mark Beierl <mark.beierl@canonical.com>

commit b6023a80
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Tue Apr 25 09:27:34 2023 +0200

    Fix stage-test.sh to properly enable it

    Change-Id: Id1746db909a3aed9f90badf66f77c70307c11987
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

commit a91e2254
Author: garciadeblas <gerardo.garciadeblas@telefonica.com>
Date:   Tue Apr 18 16:04:20 2023 +0200

    Clean stage-archive.sh and use allowlist_extenals in tox.ini

    Change-Id: I3a09df53487b8dd3c30bed8036647633dfe010d6
    Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

commit 72ef2275
Author: Gulsum Atici <gulsum.atici@canonical.com>
Date:   Sun Jan 22 23:56:58 2023 +0300

    Arranging the description of vcpu thread policy according to current Cloud API.

    Change-Id: I7ca500e85d1f8e3e480bebce2f8d6b997e8a0e38
    Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>

Change-Id: I4acf8ae284f3f0d6c48e734a40cb688e6fcb0135
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>