feat: Git sync - add first class support for CAs

[adwk67]

Description

Fixes stackabletech/issues#820

--- PASS: kuttl (377.22s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/custom-components-git-sync_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-false (185.79s)
        --- PASS: kuttl/harness/custom-components-git-sync_nifi-1.28.1_zookeeper-latest-3.9.4_openshift-false (263.59s)
        --- PASS: kuttl/harness/custom-components-git-sync_nifi-2.6.0_zookeeper-latest-3.9.4_openshift-false (190.37s)
PASS

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Helm chart can be installed and deployed operator works
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible
• Links to generated (nightly) docs added
• Release note snippet added

Reviewer

• Code contains useful comments
• Code contains useful logging statements
• (Integration-)Test cases added
• Documentation added or updated. Follows the style guide.
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added
• Links to generated (nightly) docs added
• Release note snippet added
• Add type/deprecation label & add to the deprecation schedule
• Add type/experimental label & add to the experimental features tracker

[adwk67]

N.B. Block this until #921 has been merged. Done

[adwk67]

Checked on Openshift:

--- PASS: kuttl (1607.81s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/smoke_v2_nifi-v2-2.7.2_use-zookeeper-manager-true_zookeeper-3.9.4_openshift-true_listener-class-external-unstable (163.03s)
        --- PASS: kuttl/harness/ldap_nifi-2.7.2_zookeeper-latest-3.9.4_ldap-use-tls-true_openshift-true (170.40s)
        --- PASS: kuttl/harness/oidc-opa_nifi-2.7.2_zookeeper-latest-3.9.4_opa-l-1.12.3_oidc-use-tls-true_openshift-true (266.34s)
        --- PASS: kuttl/harness/custom-components-git-sync_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-true (182.06s)
        --- PASS: kuttl/harness/iceberg-hive_nifi-iceberg-hive-2.6.0_zookeeper-latest-3.9.4_opa-l-1.12.3_hdfs-l-3.4.2_hive-l-4.2.0_trino-l-477_krb5-1.21.1_iceberg-use-kerberos-true_kerberos-realm-PROD.MYCORP_openshift-true (652.62s)
        --- PASS: kuttl/harness/cluster_operation_nifi-latest-2.7.2_openshift-true (82.90s)
        --- PASS: kuttl/harness/smoke_v1_nifi-v1-1.28.1_zookeeper-3.9.4_openshift-true_listener-class-external-unstable (340.79s)
        --- PASS: kuttl/harness/resources_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-true (66.55s)
        --- PASS: kuttl/harness/orphaned_resources_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-true (56.90s)
        --- PASS: kuttl/harness/external-access_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-true (86.27s)
        --- PASS: kuttl/harness/logging_nifi-2.7.2_zookeeper-latest-3.9.4_openshift-true (87.36s)
        --- PASS: kuttl/harness/iceberg-rest_nifi-iceberg-rest-2.7.2_hive-l-4.2.0_trino-l-477_openshift-true (364.04s)
        --- PASS: kuttl/harness/upgrade_nifi_old-1.28.1_nifi_new-2.7.2_zookeeper-latest-3.9.4_openshift-true (347.81s)
PASS