Align pgBackRest S3 disable verify TLS settings

Some of these appeared as bools instead of strings, which meant
it was not properly aligned in 5b2be2b

Author: Jonathan S. Katz

installers/ansible/values.yaml

@@ -7,7 +7,7 @@ backrest_aws_s3_key: ""
 backrest_aws_s3_region: ""
 backrest_aws_s3_secret: ""
 backrest_aws_s3_uri_style: ""
-backrest_aws_s3_verify_tls: true
+backrest_aws_s3_verify_tls: "true"
 backrest_port: "2022"
 badger: "false"
 ccp_image_prefix: "registry.developers.crunchydata.com/crunchydata"

installers/helm/postgres-operator/values.yaml

@@ -31,7 +31,7 @@ backrest_aws_s3_key: ""
 backrest_aws_s3_region: ""
 backrest_aws_s3_secret: ""
 backrest_aws_s3_uri_style: ""
-backrest_aws_s3_verify_tls: true
+backrest_aws_s3_verify_tls: "true"
 backrest_port: "2022"
 badger: "false"
 ccp_image_prefix: "registry.developers.crunchydata.com/crunchydata"