Add missing printer-strings-xxx attributes.

Author: michaelrsweet

cups/ipp-support.c

@@ -1,7 +1,7 @@
 //
 // Internet Printing Protocol support functions for CUPS.
 //
-// Copyright © 2022 by OpenPrinting.
+// Copyright © 2022-2023 by OpenPrinting.
 // Copyright © 2007-2018 by Apple Inc.
 // Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 //
@@ -1781,6 +1781,9 @@ ippCreateRequestedArray(ipp_t *request)	// I - IPP request
     "printer-state-reasons",
     "printer-storage",			// IPP EPX
     "printer-storage-description",	// IPP EPX
+    "printer-strings-languages-supported",
+					// IPP JPS3
+    "printer-strings-uri",		// IPP JPS3
     "printer-supply",
     "printer-supply-description",
     "printer-supply-info-uri",