CI: Reuse built artifacts in publish jobs (sonatype, github) #55

Job	Run time
test-docs	4m 37s
build-linux / run	4m 4s
build-windows / run	6m 48s
lint-autofix / run	2m 57s
compiler-bridge / run	1m 20s
itest (17, ci/test-mill-bootstrap.sh) / run	9m 5s
itest (11, ci/test-mill-dev.sh && ci/test-mill-release.sh && ./mill -i -k __.ivyDepsTree && ./mil... / run	3m 38s
linux (11, '{scalajslib,scalanativelib,kotlinlib}.__.testCached') / run	16m 40s
linux (11, 'example.{depth,extending}.__.local.testCached') / run	8m 2s
linux (11, 'example.thirdparty[{mockito,acyclic,commons-io}].local.testCached') / run	4m 38s
linux (17, '{main,scalalib,testrunner,bsp,testkit}.__.testCached') / run	10m 10s
linux (17, 'example.javalib.__.local.testCached') / run	10m 31s
linux (17, 'example.kotlinlib.__.local.testCached') / run	18m 10s
linux (17, 'example.scalalib.__.local.testCached') / run	16m 24s
linux (17, 'integration.{failure,feature,ide}.__.local.testCached') / run	14m 3s
linux (17, 'integration.invalidation.__.server.testCached') / run	9m 36s
linux (17, 'example.thirdparty[{fansi,jimfs,netty,gatling}].local.testCached') / run	6m 6s
linux (17, 'integration.invalidation.__.fork.testCached') / run	14m 41s
linux (17, contrib.__.testCached) / run	4m 38s
windows (11, contrib.__.testCached) / run	13m 57s
windows (11, 'integration.invalidation[_].server.testCached') / run	17m 18s
windows (11, "{main,scalalib,bsp}.__.testCached") / run	14m 56s
windows (17, 'integration.{feature,failure}[_].fork.testCached') / run	16m 23s
windows (11, "example.scalalib.{basic,web}.__.fork.testCached") / run	12m 21s
	4h 1m 3s

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