This mounts custom CA bundle directly to the RGW container at /etc/ceph/rgw-ca-bundle/ and CURL_CA_BUNDLE points to the certificate file. Ceph changes regarding CURL_CA_BUNDLE variable is in this PR: https://github.com/ceph/ceph/pull/44283 This change simplifies the CA bundle handling by: - Removing the update-ca-trust init container and related volumes - Mounting the CA bundle secret directly to the RGW pod Signed-off-by: Sunnatillo <sunnat.samadov@est.tech>