Update lockfile for new versions of gems

Gemfile.lock

@@ -1,49 +1,46 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    TimezoneParser (0.2.0)
+    TimezoneParser (0.3.2)
       insensitive_hash
       tzinfo
-    addressable (2.3.8)
-    byebug (8.0.0)
-    coderay (1.1.0)
-    dotenv (2.0.2)
-    extlib (0.9.16)
-    faraday (0.9.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
+    byebug (10.0.2)
+    coderay (1.1.2)
+    dotenv (2.4.0)
+    faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
-    google_calendar (0.5.1)
-      TimezoneParser (~> 0.2.0)
-      json (~> 1.8)
-      signet (~> 0.6)
-    httparty (0.13.7)
-      json (~> 1.8)
+    google_calendar (0.6.4)
+      TimezoneParser (~> 0.3.0)
+      json (>= 1.8.3)
+      signet (~> 0.7)
+    httparty (0.16.2)
       multi_xml (>= 0.5.2)
     insensitive_hash (0.3.3)
-    json (1.8.3)
-    jwt (1.5.2)
-    method_source (0.8.2)
-    multi_json (1.11.2)
-    multi_xml (0.5.5)
+    json (2.1.0)
+    jwt (2.1.0)
+    method_source (0.9.0)
+    multi_json (1.13.1)
+    multi_xml (0.6.0)
     multipart-post (2.0.0)
     org-ruby (0.9.12)
       rubypants (~> 0.2)
-    pry (0.10.3)
+    pry (0.11.3)
       coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
-    pry-byebug (3.3.0)
-      byebug (~> 8.0)
+      method_source (~> 0.9.0)
+    pry-byebug (3.6.0)
+      byebug (~> 10.0)
       pry (~> 0.10)
-    rubypants (0.2.0)
-    signet (0.6.1)
+    public_suffix (3.0.2)
+    rubypants (0.7.0)
+    signet (0.8.1)
       addressable (~> 2.3)
-      extlib (~> 0.9)
       faraday (~> 0.9)
-      jwt (~> 1.5)
+      jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
-    slop (3.6.0)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
 
 PLATFORMS
@@ -60,4 +57,4 @@ DEPENDENCIES
   pry-byebug
 
 BUNDLED WITH
-   1.10.6
+   1.16.1