Update dependencies (#665)

```julia
(BinaryBuilder) pkg> up
  Updating registry at `~/.julia/registries/General`
  Updating git-repo `https://github.com/JuliaRegistries/General.git`
 Resolving package versions...
  Updating `~/.julia/dev/BinaryBuilder/Project.toml`
  [bc5e4493] ↑ GitHub v5.1.3 ⇒ v5.1.4
  Updating `~/.julia/dev/BinaryBuilder/Manifest.toml`
  [5789e2e9] ↑ FileIO v1.2.1 ⇒ v1.2.2
  [bc5e4493] ↑ GitHub v5.1.3 ⇒ v5.1.4
  [50d2b5c4] ↑ Lazy v0.14.0 ⇒ v0.15.0
  [a975b10e] ↓ Mux v0.7.1 ⇒ v0.7.0
```

Author: giordano

Manifest.toml

@@ -52,9 +52,9 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[FileIO]]
 deps = ["Pkg"]
-git-tree-sha1 = "74585bf1f7ed7259e166011e89f49363d7fa89a6"
+git-tree-sha1 = "2c84c57aced468fa21763c66d3bef33adcd09ec7"
 uuid = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
-version = "1.2.1"
+version = "1.2.2"
 
 [[FileWatching]]
 uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
@@ -67,9 +67,9 @@ version = "0.1.5"
 
 [[GitHub]]
 deps = ["Base64", "Dates", "HTTP", "JSON", "MbedTLS", "Sockets"]
-git-tree-sha1 = "477818ab174a14d4730b3d15ac8719dbc98555d2"
+git-tree-sha1 = "f8f9c05004861b6680c1bd363e7e2fcff602a283"
 uuid = "bc5e4493-9b4d-5f90-b8aa-2b2bcaad7a26"
-version = "5.1.3"
+version = "5.1.4"
 
 [[HTTP]]
 deps = ["Base64", "Dates", "IniFile", "MbedTLS", "Sockets"]
@@ -118,9 +118,9 @@ version = "0.3.1"
 
 [[Lazy]]
 deps = ["MacroTools"]
-git-tree-sha1 = "ead48f10ad295afe72046ab0f2b9d704466452a0"
+git-tree-sha1 = "0bd934e15f5df97414aa81abf74ba8a2d5042964"
 uuid = "50d2b5c4-7a5e-59d5-8109-a42b560f39c0"
-version = "0.14.0"
+version = "0.15.0"
 
 [[LibGit2]]
 uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
@@ -161,10 +161,10 @@ uuid = "ffc61752-8dc7-55ee-8c37-f3e9cdd09e70"
 version = "0.5.13"
 
 [[Mux]]
-deps = ["AssetRegistry", "Base64", "HTTP", "Hiccup", "Lazy", "Pkg", "Sockets", "WebSockets"]
-git-tree-sha1 = "3621676e7f711aca14d783d1bff9ac379d9df6b7"
+deps = ["AssetRegistry", "Base64", "HTTP", "Hiccup", "Lazy", "Pkg", "Sockets", "Test", "WebSockets"]
+git-tree-sha1 = "5b41f03d63400c290bab4e1a49fb9ac36de1084a"
 uuid = "a975b10e-0019-58db-a62f-e48ff68538c9"
-version = "0.7.1"
+version = "0.7.0"
 
 [[ObjectFile]]
 deps = ["Reexport", "StructIO", "Test"]
@@ -191,7 +191,7 @@ uuid = "fa939f87-e72e-5be4-a000-7fc836dbe307"
 version = "1.1.0"
 
 [[Pkg]]
-deps = ["Dates", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "UUIDs"]
+deps = ["Dates", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "Test", "UUIDs"]
 uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 
 [[PkgLicenses]]