Get default fetch remote from configuration #7789

Job	Run time
build-linux-musl (nightly)	2m 48s
build-linux-arm (nightly)	4m 50s
build (ubuntu-latest, nightly)	1m 45s
build-linux-arm (stable)	4m 49s
build (ubuntu-latest, stable)	1m 37s
build-linux-musl (stable)	2m 28s
build-linux-arm (1.70)	4m 54s
build (ubuntu-latest, 1.70)	2m 1s
build-linux-musl (1.70)	2m 57s
build (macos-latest, nightly)	1m 54s
Lints	33s
build (macos-latest, stable)	2m 25s
Changelog Test	4s
build (macos-latest, 1.70)	5m 59s
udeps	2m 0s
build (windows-latest, nightly)	5m 18s
build (windows-latest, stable)	7m 2s
build (windows-latest, 1.70)	5m 29s
	58m 53s

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