Added a parameter 'apiTimeout' to allow customization

[mrkisaolamb]

to the Apache timeout.

The default is set to 60s which we do set for
HAProxy timeouts currently.

To be able to change the HAProxy value based on the apiTimeout with any update (and not just the first time) the code adds a custom annotation "api.placement.openstack.org/timeout" with the value that was initially set, this way flags it as being set by the placement-operator.

Timeout is global for both api and metadata and they are set from placement lvl

There will be follow up patch in openstack-operator to utilize the method 'SetDefaultRouteAnnotations' to set these default route annotations in openstack-operator

resolve: https://issues.redhat.com/browse/OSPRH-10962

[openshift-ci]

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[openshift-ci]

@mrkisaolamb: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/placement-operator-build-deploy-kuttl	492ef25	link	true	/test placement-operator-build-deploy-kuttl

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