chore: upgrade to azure-sdk v41.0.0

[andyzhangx]

Reason for Change:

This PR upgrade azure-sdk to support features, e.g. BYOK encryption on host

vi go.mod

grep "2019-07-01/compute" ./* -R

sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/armhelpers/*.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/engine/*.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/operations/kubernetesupgrade/*.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/armhelpers/azurestack/*.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/armhelpers/utils/*.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./pkg/engine/transform/transform.go
sed -i 's/2019-07-01\/compute/2019-12-01\/compute/g' ./cmd/rotate_certs_test.go

go mod vendor
go mod tidy

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[codecov]

Codecov Report

Merging #3035 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3035   +/-   ##
=======================================
  Coverage   70.58%   70.58%           
=======================================
  Files         145      145           
  Lines       25105    25105           
=======================================
  Hits        17721    17721           
  Misses       6281     6281           
  Partials     1103     1103           

Impacted Files	Coverage Δ
pkg/armhelpers/azureclient.go	35.95% <ø> (ø)
pkg/armhelpers/azurestack/compute.go	36.03% <ø> (ø)
pkg/armhelpers/azurestack/resultPageClient.go	33.33% <ø> (ø)
pkg/armhelpers/azurestack/vmImage.go	76.47% <ø> (ø)
pkg/armhelpers/compute.go	32.91% <ø> (ø)
pkg/armhelpers/httpMockClient.go	58.46% <ø> (ø)
pkg/armhelpers/mockclients.go	22.52% <ø> (ø)
pkg/armhelpers/utils/util.go	70.88% <ø> (ø)
pkg/armhelpers/vmImage.go	100.00% <ø> (ø)
pkg/engine/armresources.go	78.18% <ø> (ø)
... and 8 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 96e1a16...fa80986. Read the comment docs.

[andyzhangx]

/azp run pr-e2e

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[mboersma]

This looks good to me. @devigned do you know of any reasons we wouldn't want to jump up to azure-sdk-for-go v40.2.0?

[CecileRobertMichon]

why not move to 0.41.0?

[zqingqing1]

@andyzhangx is that good to bump it a little higher to 41.0.0?

[andyzhangx]

/hold
let me bump to 41.0.0

[andyzhangx]

/hold cancel
already bumped to v41.0.0

[mboersma]

/lgtm

[andyzhangx]

@zqingqing1 this PR is merged in master branch, are you going to make it into aks-release-v0.47.0-1 branch?