Add deprecations

modules/salesforce_encrypt/src/Form/SettingsForm.php

...esforce_encrypt/src/Rest/EncryptedRestClientInterface.php

modules/salesforce_encrypt/src/Rest/RestClient.php

...lesforce_encrypt/src/SalesforceEncryptServiceProvider.php

modules/salesforce_encrypt/tests/src/Unit/RestClientTest.php

src/Controller/SalesforceController.php

src/Form/AuthorizeForm.php

src/Form/RevokeAuthorizationForm.php

src/Plugin/SalesforceAuthProvider/SalesforceOAuthPlugin.php

src/Rest/RestClient.php

src/Rest/RestClientInterface.php

src/Rest/RestResponse_Describe.php

src/Rest/RestResponse_Resources.php

src/SalesforceAuthProviderPluginManager.php

src/SalesforceOAuthPluginInterface.php

src/Storage/SalesforceAuthTokenStorage.php

tests/src/Unit/SalesforceControllerTest.php