GREG-286: Update IGA check for UiB

I removed use of scim-client, which only supported the Sebra-scim at UiB, and instead made use of the abstract IGA client library, which has support for the current RI Scim implementation at UiB.

Note that I did not install the latest version of the abstract IGA client library, since that requires version 2.0.0 of the cerebrum-client, and I did not want to update our dependency on it since I am not familiar with the library.

The IGA client library also support UiB Sebra-scim by the way, and it does this by using scim-client. For interacting with RI Scim it uses the scim2-client library.

assigned to @Tore.Brede

added 4 commits

• fa5edd34...40bd5d38 - 3 commits from branch master
• 5d29f99a - Merge branch 'master' into GREG-286_IGA_check_UiB

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added 2 commits

• c938ec52 - Putting poetry.lock file back to the way it is in master
• fc450b25 - Updating poetry.lock file

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resolved all threads

approved this merge request

mentioned in commit bdcd09d5

merged