update sdk dependency

[nicolai86]

the sdk has been updated to return the result of the operations.
moving forward this will allow us to reduce the number of API calls
made, as well as verify the results of operations better.

once the tests are green I'll merge this optimistically.

[nicolai86]

the tests are green, merging this optimistically.

$ make testacc
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test $(go list ./... |grep -v 'vendor') -v  -timeout 120m
?     github.com/terraform-providers/terraform-provider-scaleway  [no test files]
=== RUN   TestAccScalewayDataSourceBootscript_Filtered
--- PASS: TestAccScalewayDataSourceBootscript_Filtered (9.12s)
=== RUN   TestAccScalewayDataSourceImage_Basic
--- PASS: TestAccScalewayDataSourceImage_Basic (24.25s)
=== RUN   TestAccScalewayDataSourceImage_Filtered
--- PASS: TestAccScalewayDataSourceImage_Filtered (25.52s)
=== RUN   TestAccScalewayIP_importBasic
--- PASS: TestAccScalewayIP_importBasic (8.88s)
=== RUN   TestAccScalewaySecurityGroup_importBasic
--- PASS: TestAccScalewaySecurityGroup_importBasic (10.12s)
=== RUN   TestAccScalewayServer_importBasic
--- PASS: TestAccScalewayServer_importBasic (128.63s)
=== RUN   TestAccScalewayVolume_importBasic
--- PASS: TestAccScalewayVolume_importBasic (7.79s)
=== RUN   TestProvider
--- PASS: TestProvider (0.00s)
=== RUN   TestProvider_impl
--- PASS: TestProvider_impl (0.00s)
=== RUN   TestAccScalewayIP_Count
--- PASS: TestAccScalewayIP_Count (13.78s)
=== RUN   TestAccScalewayIP_Basic
--- PASS: TestAccScalewayIP_Basic (44.96s)
=== RUN   TestAccScalewaySecurityGroupRule_Basic
--- PASS: TestAccScalewaySecurityGroupRule_Basic (23.22s)
=== RUN   TestAccScalewaySecurityGroupRule_Count
--- PASS: TestAccScalewaySecurityGroupRule_Count (22.13s)
=== RUN   TestAccScalewaySecurityGroup_Basic
--- PASS: TestAccScalewaySecurityGroup_Basic (12.48s)
=== RUN   TestAccScalewayServer_Basic
--- PASS: TestAccScalewayServer_Basic (152.13s)
=== RUN   TestAccScalewayServer_ExistingIP
--- PASS: TestAccScalewayServer_ExistingIP (153.63s)
=== RUN   TestAccScalewayServer_Volumes
--- PASS: TestAccScalewayServer_Volumes (141.71s)
=== RUN   TestAccScalewayServer_SecurityGroup
--- PASS: TestAccScalewayServer_SecurityGroup (154.47s)
=== RUN   TestGetSSHKeyFingerprint
--- PASS: TestGetSSHKeyFingerprint (0.00s)
=== RUN   TestAccScalewaySSHKey_Basic
--- PASS: TestAccScalewaySSHKey_Basic (32.50s)
=== RUN   TestAccScalewayVolumeAttachment_Basic
--- PASS: TestAccScalewayVolumeAttachment_Basic (416.80s)
=== RUN   TestAccScalewayVolume_Basic
--- PASS: TestAccScalewayVolume_Basic (9.06s)
PASS
ok    github.com/terraform-providers/terraform-provider-scaleway/scaleway  1391.212s