feat(azure): convert to typescript (#3967)

lib/platform/azure/azure-got-wrapper.ts

lib/platform/azure/azure-helper.ts

lib/platform/azure/index.ts

test/platform/__snapshots__/index.spec.js.snap

...atform/azure/__snapshots__/azure-got-wrapper.spec.ts.snap

test/platform/azure/__snapshots__/azure-helper.spec.ts.snap

test/platform/azure/__snapshots__/index.spec.ts.snap

test/platform/azure/azure-got-wrapper.spec.ts

test/platform/azure/azure-helper.spec.ts

test/platform/azure/index.spec.ts

test/platform/index.spec.js