Update neofs-adm config change test

[roman-khimov]

Is your feature request related to a problem? Please describe.

nspcc-dev/neofs-node#2556 is fixed and we have a number of failing tests:

AssertionError: Regex pattern did not match.
 Regex: '.*could not parse.*'
 Input: "Command: neofs-adm --config /home/runner/work/neofs-node/neofs-node/neofs-testcases/venv.local-pytest/../../neofs-dev-env/neofs-adm.yml morph set-config --rpc-endpoint 'http://morph-chain.neofs.devenv:30333' --alphabet-wallets '../neofs-dev-env/services/ir' --force MaxObjectSize=verybigsize BasicIncomeRate=false\nError:\nreturn code: 1\noutput: Error: invalid value for MaxObjectSize key, expected int, got 'verybigsize'\n"

https://http.fs.neo.org/HXSaMJXk2g8C14ht8HSi7BBaiYZ1HeWh2xnWPGQCg4H6/757-1694687253/index.html#suites/e8be7036cf86f1fd671340181c1408a3/96e978ab4e33800c/

Describe the solution you'd like

Update them to match new strings.