Upgrade webdrivers to 3.8.0 (#2577) [ci skip]

Gemfile.lock

@@ -188,8 +188,8 @@ GEM
       fastimage
     caze (0.2.2)
       activesupport (>= 3)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
+    childprocess (1.0.1)
+      rake (< 13.0)
     cld (0.8.0)
       ffi
     cloudinary (1.11.1)
@@ -329,7 +329,7 @@ GEM
       faraday_middleware (>= 0.9)
       loofah (>= 2.0)
       sax-machine (>= 1.0)
-    ffi (1.9.25)
+    ffi (1.10.0)
     figaro (1.1.1)
       thor (~> 0.14)
     fission (0.5.0)
@@ -621,7 +621,6 @@ GEM
     nenv (0.3.0)
     net-http-persistent (3.0.0)
       connection_pool (~> 2.2)
-    net_http_ssl_fix (0.0.10)
     netrc (0.11.0)
     nio4r (2.3.1)
     nokogiri (1.10.3)
@@ -827,8 +826,8 @@ GEM
     sdoc (1.0.0)
       rdoc (>= 5.0)
     selectize-rails (0.12.6)
-    selenium-webdriver (3.141.0)
-      childprocess (~> 0.5)
+    selenium-webdriver (3.142.0)
+      childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
     serviceworker-rails (0.5.5)
       railties (>= 3.1)
@@ -931,8 +930,7 @@ GEM
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
-    webdrivers (3.7.2)
-      net_http_ssl_fix
+    webdrivers (3.8.0)
       nokogiri (~> 1.6)
       rubyzip (~> 1.0)
       selenium-webdriver (~> 3.0)