Support gel-server packages in tests-patches #678

Job	Run time
build	1m 1s
compute-versions	2s
test (6.0-beta.1+cbd71e8, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/ed...	11m 24s
test (6.0-beta.1+cbd71e8, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/ed...	10m 49s
test (6.0-beta.2+4c461f7, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/ed...	11m 20s
test (6.0-beta.2+4c461f7, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/ed...	10m 55s
test (6.0-rc.1+983c12e, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/gel-...	11m 35s
test (6.0-rc.1+983c12e, https://packages.edgedb.com/archive/x86_64-unknown-linux-gnu.testing/gel-...	10m 2s
Notify in Slack on failures	0s
	1h 7m 8s

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