Bump actions/[upload|download]-artifact from 3 to 4 #952

Job	Run time
Build with no staging repository, using only central-released artifacts	2m 21s
Test on JDK 17	1m 46s
Smoke Tests imqadmin @ Java 11	11s
Smoke Tests imqbridgemgr @ Java 11	18s
Smoke Tests imqbrokerd @ Java 11	12s
Smoke Tests imqcmd @ Java 11	20s
Smoke Tests imqdbmgr @ Java 11	9s
Smoke Tests imqobjmgr @ Java 11	15s
Smoke Tests imqusermgr @ Java 11	53s
Smoke Tests imqadmin @ Java 17	10s
Smoke Tests imqbridgemgr @ Java 17	9s
Smoke Tests imqbrokerd @ Java 17	11s
Smoke Tests imqcmd @ Java 17	13s
Smoke Tests imqdbmgr @ Java 17	10s
Smoke Tests imqobjmgr @ Java 17	11s
Smoke Tests imqusermgr @ Java 17	10s
Smoke Tests imqadmin @ Java 21	23s
Smoke Tests imqbridgemgr @ Java 21	12s
Smoke Tests imqbrokerd @ Java 21	11s
Smoke Tests imqcmd @ Java 21	13s
Smoke Tests imqdbmgr @ Java 21	14s
Smoke Tests imqobjmgr @ Java 21	12s
Smoke Tests imqusermgr @ Java 21	15s
Test MQCRT Library on ubuntu-latest/JDK 17	57s
Test MQCRT Library on ubuntu-latest/JDK 21	51s
Test MQCRT Library on macos-latest/JDK 17	1m 32s
Test MQCRT Library on macos-latest/JDK 21	1m 24s
	14m 3s

Provide feedback