✨ v1beta3 + RUB selector in RSy + default excluded fields

[damsien]

This PR brings:

• The new apiVersion v1beta3 which cleans up the deprecated custom types used by the CRDs.
• A way to fine-grain the research of the RemoteUserBindings made by the interception webhook. The fine-grained research can be made by using label selector in the RemoteSyncer object (.spec.remoteUserBindingSelector). If no label selector is specified, then all the RemoteUserBindings of the namespace are retrieved.
• A way to configure a default cluster wide excluded fields. ConfigMaps with the label syngit.io/cluster-default-excluded-fields: "true" in the syngit namespace will be used as the default excluded fields for any RemoteSyncer in the cluster
• A small bug fix where the conditions of the RemoteSyncer were not correctly updated.
• Add a way to launch only one test among all of the behavior tests make test-selected TEST_NUMBER=X (01, 02, ...). It is launched in "fast" mode (same behavior as the fast-behavior command).

[codecov]

Codecov Report

Attention: Patch coverage is 51.59420% with 501 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pkg/api/v1beta3/zz_generated.deepcopy.go	43.64%	219 Missing and 16 partials ⚠️
pkg/api/v1beta3/remoteuser_conversion.go	0.00%	51 Missing ⚠️
internal/webhook/v1beta3/remotesyncer_webhook.go	41.09%	32 Missing and 11 partials ⚠️
pkg/api/v1beta3/remotesyncer_conversion.go	0.00%	42 Missing ⚠️
.../webhook/v1beta3/remoteuser_association_webhook.go	79.51%	23 Missing and 11 partials ⚠️
internal/interceptor/webhook_request_checker.go	65.71%	18 Missing and 6 partials ⚠️
.../webhook/v1beta3/remotesyncer_rules_permissions.go	70.51%	18 Missing and 5 partials ⚠️
pkg/api/v1beta3/remoteuserbinding_conversion.go	0.00%	20 Missing ⚠️
internal/webhook/v1beta3/remoteuser_webhook.go	50.00%	12 Missing and 2 partials ⚠️
.../webhook/v1beta3/remoteuser_secrets_permissions.go	74.28%	6 Missing and 3 partials ⚠️
... and 1 more

Files with missing lines	Coverage Δ
internal/controller/remotesyncer_controller.go	77.92% <ø> (ø)
internal/controller/remoteuser_controller.go	73.45% <ø> (ø)
...nternal/controller/remoteuserbinding_controller.go	91.50% <100.00%> (+2.83%)	⬆️
internal/interceptor/dynamic_webhook_handlers.go	71.13% <100.00%> (+0.30%)	⬆️
internal/interceptor/git_pusher.go	67.83% <ø> (ø)
...ernal/webhook/v1beta3/remoteuserbinding_webhook.go	100.00% <100.00%> (ø)
pkg/api/v1beta3/remotesyncer_types.go	100.00% <100.00%> (ø)
pkg/api/v1beta3/remoteuser_types.go	100.00% <100.00%> (ø)
pkg/api/v1beta3/remoteuserbinding_types.go	100.00% <100.00%> (ø)
...l/webhook/v1beta3/remoteuserbinding_permissions.go	83.78% <83.78%> (ø)
... and 10 more

... and 14 files with indirect coverage changes