Update Copy on License Compliance CTA

This MR solves: https://gitlab.com/gitlab-org/gitlab/-/issues/228736
It changes the copy of the CTA.

Changelog: changed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/70923
EE: true

ee/app/assets/javascripts/vue_shared/license_compliance/license_management.vue

 <script>
-import { GlButton, GlLoadingIcon, GlIcon, GlPopover } from '@gitlab/ui';
 import { mapState, mapGetters, mapActions } from 'vuex';
+import { GlButton, GlLoadingIcon, GlIcon, GlPopover } from '@gitlab/ui';
 import { LICENSE_MANAGEMENT } from 'ee/vue_shared/license_compliance/store/constants';
 import { s__ } from '~/locale';
 import PaginatedList from '~/vue_shared/components/paginated_list.vue';
@@ -97,7 +97,7 @@ export default {
             data-qa-selector="license_add_button"
             @click="openAddLicenseForm"
           >
-            {{ s__('LicenseCompliance|Add a license') }}
+            {{ s__('LicenseCompliance|Add license policy') }}
           </gl-button>
 
           <license-approvals class="gl-ml-3" />

locale/gitlab.pot

@@ -20121,10 +20121,10 @@ msgstr ""
 msgid "LicenseCompliance|Acceptable license to be used in the project"
 msgstr ""
 
-msgid "LicenseCompliance|Add a license"
+msgid "LicenseCompliance|Add license and related policy"
 msgstr ""
 
-msgid "LicenseCompliance|Add license and related policy"
+msgid "LicenseCompliance|Add license policy"
 msgstr ""
 
 msgid "LicenseCompliance|Allow"