Update pod RxSwift, RxCocoa to 4.5.0

Podfile.lock

@@ -5,17 +5,17 @@ PODS:
     - GCDWebServer/Core (= 3.5.3)
   - GCDWebServer/Core (3.5.3)
   - MASShortcut (2.4.0)
-  - RxCocoa (4.1.2):
-    - RxSwift (~> 4.0)
-  - RxSwift (4.1.2)
+  - RxCocoa (4.5.0):
+    - RxSwift (>= 4.4.2, ~> 4.4)
+  - RxSwift (4.5.0)
 
 DEPENDENCIES:
   - Alamofire (~> 4.7.2)
   - BRLOptionParser (~> 0.3.1)
   - GCDWebServer (~> 3.0)
   - MASShortcut (~> 2)
-  - RxCocoa (~> 4.1.2)
-  - RxSwift (~> 4.1.2)
+  - RxCocoa (~> 4.5.0)
+  - RxSwift (~> 4.5.0)
 
 SPEC REPOS:
   https://github.com/cocoapods/specs.git:
@@ -31,9 +31,9 @@ SPEC CHECKSUMS:
   BRLOptionParser: a03256a8ff003ca1f5376c55f55f210e085a3958
   GCDWebServer: c0ab22c73e1b84f358d1e2f74bf6afd1c60829f2
   MASShortcut: d9e4909e878661cc42877cc9d6efbe638273ab57
-  RxCocoa: d88ba0f1f6abf040011a9eb4b539324fc426843a
-  RxSwift: e49536837d9901277638493ea537394d4b55f570
+  RxCocoa: cbf70265dc65a981d4ac982e513c10cf23df24a0
+  RxSwift: f172070dfd1a93d70a9ab97a5a01166206e1c575
 
-PODFILE CHECKSUM: 00940d7054f9c0a5f67a7f3be8edb28676d11545
+PODFILE CHECKSUM: 5a43912e4f472347c8f62a2659e5e98f173e9106
 
 COCOAPODS: 1.7.3