Update dependency jekyll to v3.10.0

Gemfile.lock

@@ -11,8 +11,8 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     base64 (0.2.0)
     bigdecimal (3.1.6)
     coffee-script (2.4.1)
@@ -21,7 +21,7 @@ GEM
     coffee-script-source (1.12.2)
     colorator (1.1.0)
     commonmarker (0.23.10)
-    concurrent-ruby (1.3.1)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     dnsruby (1.70.0)
       simpleidn (~> 0.2.1)
@@ -38,7 +38,8 @@ GEM
       faraday-net_http (>= 2.0, < 3.2)
     faraday-net_http (3.1.0)
       net-http
-    ffi (1.16.3)
+    ffi (1.17.0)
+    ffi (1.17.0-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
     github-pages (231)
@@ -234,13 +235,13 @@ GEM
       sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (5.1.1)
     racc (1.8.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.6)
+      strscan
     rouge (3.30.0)
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)