Introduce Bootstrap Secrets

[mhjacks]

• Introduces optional bootstrap_secrets section to secrets file
  These secrets will always be injected as "none" (direct kubernetes secret injection) type secrets by the backend.
  These secrets are allowed to create their namespaces if the namespaces do not currently exist.

• Bootstrap secrets are installed with make install . make load-secrets keeps track of whether bootstrap secrets have been injected or not in this run, and attempts to install them if not. (In the ordinary pattern install case bootstrap secrets will not be injected twice). Bootstrap secrets (only) can be loaded with the rhvp.cluster_utils.load_boostrap_secrets playbook on demand.

• The existing secrets loading path is visibly the same. (The underlying python implementation is more selective
  and somewhat clearer now).

• Fixed the "display_secrets_info" playbook and updated it to show both classes of secrets.

[mhjacks]

Canonical usage:

---
version: "2.0"

bootstrap_secrets:
  - name: private-repo
    targetNamespaces:
      - patterns-operator
    fields:
      - name: type
        value: git
      - name: sshPrivateKey
        path: ~/.ssh/id_ed25519
      - name: url
        value: git@github.com:mhjacks/private-pattern-test.git

secrets:
# As before; no intersection between bootstrap and "regular" secrets

for:

---
global:
  pattern: private-pattern-test
  # secretLoader:
  #  disabled: true
  options:
    useCSV: false
    syncPolicy: Automatic
    installPlanApproval: Automatic
  # secretStore:
  #  backend: kubernetes
main:
  git:
    repoURL: git@github.com:mhjacks/private-pattern-test.git
    revision: main
  tokenSecret: private-repo
  tokenSecretNamespace: patterns-operator
  clusterGroupName: hub
  multiSourceConfig:
    enabled: true
    clusterGroupChartVersion: "0.9.*"

Note: Blog post here: validatedpatterns/docs#682