Update gems — especially Xcodeproj — to support Xcode 10

Gemfile.lock

@@ -2,31 +2,31 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (3.0.0)
-    atomos (0.1.2)
+    atomos (0.1.3)
     claide (1.0.2)
     colored2 (3.1.2)
     diff-lcs (1.3)
-    highline (1.7.8)
-    nanaimo (0.2.4)
-    rspec (3.7.0)
-      rspec-core (~> 3.7.0)
-      rspec-expectations (~> 3.7.0)
-      rspec-mocks (~> 3.7.0)
-    rspec-core (3.7.0)
-      rspec-support (~> 3.7.0)
-    rspec-expectations (3.7.0)
+    highline (1.7.10)
+    nanaimo (0.2.6)
+    rspec (3.8.0)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+    rspec-core (3.8.0)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-mocks (3.7.0)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-support (3.7.0)
-    xcodeproj (1.5.7)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.0)
+    xcodeproj (1.5.9)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.2)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.4)
+      nanaimo (~> 0.2.5)
 
 PLATFORMS
   ruby