Update gosdk to fix healthcheck

[peterlimg]

Changes

Fixes

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain: Add new /v1/healthcheck API to sharder 0chain#1445
• gosdk: Update healthcheck endpoint gosdk#503
• system_test:
• zboxcli: Update gosdk to fix healthcheck zboxcli#271
• zwalletcli: Update gosdk to fix healthcheck zwalletcli#151
• Other: ...

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	NOT OVERRIDDEN
zboxcli	fix/healthcheck
zwalletcli	fix/healthcheck
0chain	feature/api-healthcheck
blobber	fix/healthcheck
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	master
0proxy	staging
0search	staging

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	fix/healthcheck
zboxcli	fix/healthcheck
zwalletcli	fix/healthcheck
0chain	feature/api-healthcheck
blobber	fix/healthcheck
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	staging
0proxy	staging
0search	staging

[service-0chain]

Manual system tests [success] with the following config

config	value
tests skipped	FALSE
system-tests	master
gosdk	fix/healthcheck
zboxcli	fix/healthcheck
zwalletcli	fix/healthcheck
0chain	feature/api-healthcheck
blobber	fix/healthcheck
authorizer	staging
0box	staging
0block	staging
0dns	staging
explorer	staging
0proxy	staging
0search	staging