Add LinearAlgebra as test dependency to Distributed. (JuliaLang/julia#30311)

(cherry picked from commit d9ed7f6)

Author: fredrikekre

Project.toml

@@ -2,12 +2,13 @@ name = "Distributed"
 uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [deps]
-Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 Sockets = "6462fe0b-24de-5631-8697-dd941f90decc"
 
 [extras]
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test"]
+test = ["LinearAlgebra", "Test"]