some chores

- bump version to 1.6 (General automerge doesn't allow changing Julia compat in patch versions)
- remove [deps] as they were only needed on Julia 1.8 and below

Author: aplavin

Project.toml

@@ -1,10 +1,7 @@
 name = "ConstructionBase"
 uuid = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
 authors = ["Takafumi Arakaki", "Rafael Schouten", "Jan Weidner"]
-version = "1.5.9"
-
-[deps]
-LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+version = "1.6.0"
 
 [weakdeps]
 IntervalSets = "8197267c-284f-5f27-9208-e0e47529a953"