ci: Update to Swift 5.0.2

Author: djones6

.swift-version

@@ -1 +1 @@
-5.0.1
+5.0.2

.travis.yml

@@ -30,27 +30,28 @@ matrix:
       dist: xenial
       sudo: required
       services: docker
-      env: DOCKER_IMAGE=swift:5.0.1-xenial
+      env: DOCKER_IMAGE=swift:5.0.2-xenial
     - os: linux
       dist: xenial
       sudo: required
       services: docker
-      env: DOCKER_IMAGE=swift:5.0.1 SWIFT_SNAPSHOT=$SWIFT_DEVELOPMENT_SNAPSHOT
+      env: DOCKER_IMAGE=swift:5.0.2 SWIFT_SNAPSHOT=$SWIFT_DEVELOPMENT_SNAPSHOT
     - os: osx
       osx_image: xcode9.2
       sudo: required
       env: SWIFT_SNAPSHOT=4.0.3
     - os: osx
       osx_image: xcode9.4
       sudo: required
-      env: SWIFT_SNAPSHOT=4.1.2 JAZZY_ELIGIBLE=true
+      env: SWIFT_SNAPSHOT=4.1.2
     - os: osx
       osx_image: xcode10.1
       sudo: required
       env: SWIFT_SNAPSHOT=4.2.1
     - os: osx
       osx_image: xcode10.2
       sudo: required
+      env: SWIFT_SNAPSHOT=5.0.1 JAZZY_ELIGIBLE=true
     - os: osx
       osx_image: xcode11
       sudo: required