Update dependencies

Author: andrew

Gemfile.lock

@@ -215,7 +215,7 @@ GEM
     protocol-http2 (0.24.0)
       protocol-hpack (~> 1.4)
       protocol-http (~> 0.47)
-    protocol-rack (0.21.1)
+    protocol-rack (0.22.0)
       io-stream (>= 0.10)
       protocol-http (~> 0.58)
       rack (>= 1.0)
@@ -473,7 +473,7 @@ CHECKSUMS
   protocol-http (0.60.0) sha256=ca1354947676d663b6f23c49654aee464288774e7867c4a6e406fecce9691cec
   protocol-http1 (0.37.0) sha256=5bdd739e28792b341134596f6f5ab21a9d4b395f67bae69e153743eb0e69d123
   protocol-http2 (0.24.0) sha256=65327a019b7e36d2774e94050bf57a43bb60212775d2fcf02ae1d2ed4f01ef28
-  protocol-rack (0.21.1) sha256=366ff16efbf4c2f8d2e3fad4e992effa2357610f70effbccfa2767d26fedc577
+  protocol-rack (0.22.0) sha256=b7c49c0b597ca2c6d20f8bcd746c4415a1b750eacfbe64f828e780c978a4293d
   protocol-url (0.4.0) sha256=64d4c03b6b51ad815ac6fdaf77a1d91e5baf9220d26becb846c5459dacdea9e1
   psych (5.3.1) sha256=eb7a57cef10c9d70173ff74e739d843ac3b2c019a003de48447b2963d81b1974
   public_suffix (7.0.5) sha256=1a8bb08f1bbea19228d3bed6e5ed908d1cb4f7c2726d18bd9cadf60bc676f623