Updating to the latest version of axios

[jramsay]

Changes proposed:

• updating to the latest version of axios
• update to consistent error message prefix for 'ECONNABORTED' scenarios
• return 'ECONNABORTED' error.code for both cases to allow for consumers to retry in this scenario

Other Tasks:

• If you updated the Go SDK did you update the PackageVersion in tunnels.go
• If you updated the TS SDK did you update the dependencies in package.json for connections and management to require a dependency that is > the current published version(Found using npm view @microsoft/dev-tunnels-contracts). This will fix issues where yarn will pull the old version of packages and will cause mismatched dependencies. See example PR

[setaskin]

LGTM