Add support for multiple AWS credential profiles

[shubham-pampattiwar]

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

Currently, OADP Operator does not support multiple AWS credential profiles for the secret to be used for BSL/VSL/Registry.

Describe the solution you'd like

We would like to add support for multiple AWS profiles. This might require AWS secret parsing changes so that the secret data is appropriately consumed by the Registry environment vars.

Additional context

Reference:

oadp-operator/controllers/registry.go

Line 505 in 0a6008d

func (r *VeleroReconciler) parseAWSSecret(secret corev1.Secret, secretKey string) (string, string, error) {