UI: update expected OpenAPI attrs for test (#28242)

* update expected OpenAPI attrs

* Add key-usage field to form

* undo add to page

---------

Co-authored-by: claire bontempo <68122737+hellobontempo@users.noreply.github.com>

ui/tests/helpers/openapi/expected-secret-attrs.js

@@ -1249,6 +1249,12 @@ const pki = {
       fieldGroup: 'default',
       type: 'string',
     },
+    keyUsage: {
+      editType: 'stringArray',
+      fieldGroup: 'default',
+      helpText:
+        'A comma-separated string or list of key usages (not extended key usages). Valid values can be found at https://golang.org/pkg/crypto/x509/#KeyUsage -- simply drop the "KeyUsage" part of the name. To remove all key usages from being set, set this value to an empty list. This defaults to CertSign, CRLSign for CAs. If neither of those two set, a warning will be thrown. To use the issuer for CMPv2, DigitalSignature must be set.',
+    },
     locality: {
       editType: 'stringArray',
       helpText: 'If set, Locality will be set to this value.',