Update .travis.yml

Update .travis.yml to test against Symfony 5.0 components

Author: DariusIII

.travis.yml

@@ -56,6 +56,8 @@ matrix:
       env: [SF_EVT_DISPATCHER_VERSION="^3.3", SF_OPT_RESOLVER_VERSION="^3.3"]
     - php: 7.1
       env: [SF_EVT_DISPATCHER_VERSION="^4.0", SF_OPT_RESOLVER_VERSION="^4.0"]
+    - php: 7.1
+      env: [SF_EVT_DISPATCHER_VERSION="^5.0", SF_OPT_RESOLVER_VERSION="^5.0"]
 
     - php: 7.2
       env: [SF_EVT_DISPATCHER_VERSION="2.7.*", SF_OPT_RESOLVER_VERSION="2.7.*"]
@@ -71,6 +73,8 @@ matrix:
       env: [SF_EVT_DISPATCHER_VERSION="^3.3", SF_OPT_RESOLVER_VERSION="^3.3"]
     - php: 7.2
       env: [SF_EVT_DISPATCHER_VERSION="^4.0", SF_OPT_RESOLVER_VERSION="^4.0"]
+    - php: 7.2
+      env: [SF_EVT_DISPATCHER_VERSION="^5.0", SF_OPT_RESOLVER_VERSION="^5.0"]
 
     - php: hhvm
       env: [SF_EVT_DISPATCHER_VERSION="2.7.*", SF_OPT_RESOLVER_VERSION="2.7.*"]
@@ -86,6 +90,8 @@ matrix:
       env: [SF_EVT_DISPATCHER_VERSION="^3.3", SF_OPT_RESOLVER_VERSION="^3.3"]
     - php: hhvm
       env: [SF_EVT_DISPATCHER_VERSION="^4.0", SF_OPT_RESOLVER_VERSION="^4.0"]
+    - php: hhvm
+      env: [SF_EVT_DISPATCHER_VERSION="^5.0", SF_OPT_RESOLVER_VERSION="^5.0"]
 
   allow_failures:
     - php: nightly