They've been failing for many months, e.g. see
https://gitlab.nic.cz/knot/knot-resolver/-/pipelines/104497
This way it at least won't be confusing by showing red in CI.
obs:rocky8:x86_64:
<<: *distrotest
+ allow_failure: true
variables:
OBS_REPO: knot-resolver-latest
DISTROTEST_NAME: rocky8
obs:fedora35:x86_64:
<<: *distrotest
+ allow_failure: true
variables:
OBS_REPO: knot-resolver-latest
DISTROTEST_NAME: fedora35
obs:fedora36:x86_64:
<<: *distrotest
+ allow_failure: true
variables:
OBS_REPO: knot-resolver-latest
DISTROTEST_NAME: fedora36
obs:ubuntu2204:x86_64:
<<: *distrotest
+ allow_failure: true
variables:
OBS_REPO: knot-resolver-latest
DISTROTEST_NAME: ubuntu2204