update Go to 1.9.6 and 1.10.2 on the CIs

.travis.yml

@@ -8,8 +8,8 @@ addons:
 language: go
 
 go:
-  - "1.9.5"
-  - "1.10.1"
+  - "1.9.6"
+  - "1.10.2"
 
 # first part of the GOARCH workaround
 # setting the GOARCH directly doesn't work, since the value will be overwritten later

appveyor.yml

@@ -14,8 +14,8 @@ clone_folder: c:\gopath\src\github.com\lucas-clemente\quic-go
 
 install:
   - rmdir c:\go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.10.1.windows-amd64.zip
-  - 7z x go1.10.1.windows-amd64.zip -y -oC:\ > NUL
+  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.10.2.windows-amd64.zip
+  - 7z x go1.10.2.windows-amd64.zip -y -oC:\ > NUL
   - set PATH=%PATH%;%GOPATH%\bin\windows_%GOARCH%;%GOPATH%\bin
   - echo %PATH%
   - echo %GOPATH%