fix: add missing G2 flavor c2.18core-45ram to migration script lib

See merge request !17

Depends on https://gitlab.ics.muni.cz/cloud/g2/prod-brno-cloud-entities/-/merge_requests/58.

This patch fixes following problem:
2024-07-02 12:29:49,117 project-migrator INFO F.9 Destination OpenStack server keypair exists (vscht)
Traceback (most recent call last):
  File "/home/freznicek/prjs/muni/sources/gitlab.ics.muni.cz/g1-g2-ostack-cloud-migration.git/ci/./project-migrator.py", line 389, in <module>
    sys.exit(main(ARGS))
             ^^^^^^^^^^
  File "/home/freznicek/prjs/muni/sources/gitlab.ics.muni.cz/g1-g2-ostack-cloud-migration.git/ci/./project-migrator.py", line 190, in main
    olib.get_or_create_dst_server_security_groups(args,
  File "/home/freznicek/prjs/muni/sources/gitlab.ics.muni.cz/g1-g2-ostack-cloud-migration.git/ci/olib.py", line 452, in get_or_create_dst_server_security_groups
    for i_src_server_security_group_name in {i_sg['name'] for i_sg in src_server.security_groups}:
                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: 'NoneType' object is not iterable
[freznicek@lenovo-t14 ci 1]$

fix: more robust source cloud keypair selection

See merge request !16

fix: correct sg name prefix argument name

See merge request !15

feat/refactor: source and destination entity names now match except security...

See merge request !14

feat: assert disabled projects to avoid nova API 401s as listed below:

See merge request !13

typo: not key-pair but server

See merge request !6

feat+fix: assign FIP addresses properly to correct NIC (when multiple ones),...

See merge request !12

fix: Assure correct VM NIC order

See merge request !11

feat: multi NIC support added (port duplications)

See merge request !10

feat: detect objstore project contents (info/warning)

See merge request !9

fix: project-flavor-migration-check.py clean-up and does not require dst project existing

See merge request !8

feat: Detect and assign same MAC address as in source cloud

See merge request !7

feat: add ostack flavor validation tool

See merge request !5

feat: add possibility to guide user how to resolve asserted issue

See merge request !4

fix: avoid TypeError: 'NoneType' object is not subscriptable on missing source...

See merge request !3

feat: add cloud team privileged members to allow them the migration

See merge request !2