Julia: ignore deps/deps.jl

`deps/deps.jl` is an autogenerated file created by `BinDeps.jl`, Julia's package for managing binary dependencies.

Julia.gitignore

@@ -1,3 +1,4 @@
 *.jl.cov
 *.jl.*.cov
 *.jl.mem
+deps/deps.jl