Add tests for getCredentials with multiple goproxy_servers and maven_… #11980

Job	Run time
check-codeql-versions	10s
analyze-other (actions)	54s
analyze-other (python)	55s
analyze-javascript (windows-2022)	6m 27s
analyze-javascript (ubuntu-24.04)	4m 13s
analyze-javascript (ubuntu-22.04, linked)	4m 26s
analyze-javascript (ubuntu-22.04)	4m 39s
analyze-javascript (ubuntu-24.04, linked)	4m 32s
analyze-javascript (windows-2022, linked)	6m 18s
analyze-javascript (windows-2025)	5m 40s
analyze-javascript (macos-14)	8m 19s
analyze-javascript (macos-14, linked)	5m 57s
analyze-javascript (macos-15)	5m 55s
analyze-javascript (macos-15, linked)	8m 36s
analyze-javascript (windows-2025, linked)	6m 49s
	1h 13m 50s

Provide feedback