Add tests for getCredentials with multiple goproxy_servers and maven_… #11981

Job	Run time
analyze-other (python)	59s
analyze-other (actions)	53s
check-codeql-versions	16s
analyze-javascript (windows-2022, linked)	6m 45s
analyze-javascript (ubuntu-22.04, linked)	4m 34s
analyze-javascript (ubuntu-24.04)	4m 50s
analyze-javascript (ubuntu-24.04, linked)	4m 29s
analyze-javascript (windows-2022)	5m 25s
analyze-javascript (macos-14)	6m 14s
analyze-javascript (macos-15)	12m 30s
analyze-javascript (windows-2025, linked)	6m 14s
analyze-javascript (windows-2025)	5m 29s
analyze-javascript (macos-14, linked)	6m 35s
analyze-javascript (ubuntu-22.04)	4m 44s
analyze-javascript (macos-15, linked)	6m 0s
	1h 15m 57s

Provide feedback