added oidc config for v1beta2

[vladcristi]

What this PR does / why we need it:
Updates CRDs for oci managed control plane to make OIDC configuration available for v1beta2

Which issue(s) this PR fixes (optional, in fixes #(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #425

[vladcristi]

Unit tests:
github.com/oracle/cluster-api-provider-oci coverage: 0.0% of statements
github.com/oracle/cluster-api-provider-oci/cloud/config coverage: 0.0% of statements
github.com/oracle/cluster-api-provider-oci/cloud/metrics coverage: 0.0% of statements
github.com/oracle/cluster-api-provider-oci/cloud/scope/mocks coverage: 0.0% of statements
github.com/oracle/cluster-api-provider-oci/cloud/services/base coverage: 0.0% of statements
github.com/oracle/cluster-api-provider-oci/cloud/services/base/mock_base coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/compute [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/compute/mock_compute coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/computemanagement [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/computemanagement/mock_computemanagement coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/containerengine [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/containerengine/mock_containerengine coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/identity [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/identity/mock_identity coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/loadbalancer [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/loadbalancer/mock_lb coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/networkloadbalancer [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/networkloadbalancer/mock_nlb coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/vcn [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/vcn/mock_vcn coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/cloud/services/workrequests [no test files]
github.com/oracle/cluster-api-provider-oci/cloud/services/workrequests/mock_workrequests coverage: 0.0% of statements
ok github.com/oracle/cluster-api-provider-oci/api/v1beta1 59.118s coverage: 23.3% of statements
ok github.com/oracle/cluster-api-provider-oci/api/v1beta2 0.030s coverage: 14.2% of statements
ok github.com/oracle/cluster-api-provider-oci/cloud/ociutil 0.009s coverage: 15.9% of statements
ok github.com/oracle/cluster-api-provider-oci/cloud/scope 21.078s coverage: 74.5% of statements
ok github.com/oracle/cluster-api-provider-oci/cloud/util 0.153s coverage: 61.1% of statements
ok github.com/oracle/cluster-api-provider-oci/controllers 2.139s coverage: 59.2% of statements
ok github.com/oracle/cluster-api-provider-oci/exp/api/v1beta1 18.088s coverage: 15.3% of statements
ok github.com/oracle/cluster-api-provider-oci/exp/api/v1beta2 0.032s coverage: 4.8% of statements
github.com/oracle/cluster-api-provider-oci/feature coverage: 0.0% of statements
? github.com/oracle/cluster-api-provider-oci/version [no test files]
ok github.com/oracle/cluster-api-provider-oci/exp/controllers 0.284s coverage: 56.3% of statements
go tool cover -func=coverage.out -o coverage.txt
go tool cover -html=coverage.out -o coverage.html

E2E tests:
Ran 9 of 31 Specs in 3675.683 seconds
FAIL! -- 9 Passed | 0 Failed | 0 Pending | 22 Skipped