Bump websocket-extensions from 0.1.4 to 0.1.5

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-ruby) from 0.1.4 to 0.1.5.
- [Release notes](https://github.com/faye/websocket-extensions-ruby/releases)
- [Changelog](https://github.com/faye/websocket-extensions-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faye/websocket-extensions-ruby/compare/0.1.4...0.1.5)

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -66,7 +66,7 @@ GEM
     builder (3.2.3)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.4)
     diff-lcs (1.3)
     erubi (1.8.0)
     globalid (0.4.2)
@@ -74,7 +74,7 @@ GEM
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.3)
-    loofah (2.3.1)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -87,7 +87,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.5.1)
-    nokogiri (1.10.5)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
     parser (2.6.4.0)
@@ -170,7 +170,7 @@ GEM
     unicode-display_width (1.6.0)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
     zeitwerk (2.1.10)
 
 PLATFORMS