fix(@schematics/angular): migrate `provideServerRoutesConfig` to `pro… #1170

Job	Run time
list	30s
workflow (build-unit-tests)	2m 17s
workflow (modules-builder-tests)	1m 40s
workflow (build-cli)	1m 26s
workflow (devkit-core-tests)	1m 21s
workflow (devkit-core-tests-rerun)	1m 14s
	8m 28s

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