upgrade travis watch OS Simulator

Signed-off-by: Lukas Schmidt <lukasschmidt@fastmail.com>

Author: lightsprint09

.travis.yml

@@ -25,7 +25,7 @@ matrix:
       script:
         - set -o pipefail && xcodebuild -scheme DBNetworkStack -destination "platform=macOS" test | xcpretty
         - set -o pipefail && xcodebuild -scheme DBNetworkStack -destination "platform=tvOS Simulator,name=Apple TV" test | xcpretty
-        - set -o pipefail && xcodebuild -scheme DBNetworkStack -destination "platform=watchOS Simulator,name=Apple Watch - 38mm" build | xcpretty
+        - set -o pipefail && xcodebuild -scheme DBNetworkStack -destination "platform=watchOS Simulator,name=Apple Watch Series 4 - 40mm" build | xcpretty
         - set -o pipefail && xcodebuild -scheme DBNetworkStack -destination "platform=iOS Simulator,name=iPhone 8" test | xcpretty
         - swift test & pod spec lint --allow-warnings & carthage build --no-skip-current
         - jazzy --clean --author "DBSystel" --github_url https://github.com/dbsystel/DBNetworkStack --module DBNetworkStack --output docs