[sdn_tests] Migrate pins binding to use gnoigo.Clients & Updated GO version to 1.21.1.

[divyagayathri-hcl]

Description of PR

Migrate pins binding to use gnoigo.Clients & Updated GO version to 1.21.1.

Summary:

Migrate pins binding to use gnoigo.Clients & Updated GO version to 1.21.1.
Fixes # (issue)

Build Results:

INFO: From Generating Descriptor Set proto_library @com_github_openconfig_gnsi//credentialz:credentialz_proto:
github.com/openconfig/gnsi/credentialz/credentialz.proto:21:1: warning: Import github.com/openconfig/gnsi/version/version.proto is unused.
INFO: From Generating Descriptor Set proto_library @com_github_openconfig_gnsi//pathz:pathz_proto:
github.com/openconfig/gnsi/pathz/authorization.proto:43:1: warning: Import github.com/openconfig/gnsi/version/version.proto is unused.
github.com/openconfig/gnsi/pathz/pathz.proto:25:1: warning: Import github.com/openconfig/gnsi/version/version.proto is unused.
INFO: Elapsed time: 162.099s, Critical Path: 23.31s
INFO: 343 processes: 4 internal, 339 linux-sandbox.
INFO: Build completed successfully, 343 total actions

Type of change

• Bug fix
• Testbed and Framework(new/improvement)
• [-] Test case(new/improvement)

Back port request

• 202012
• 202205
• 202305
• 202311
• 202405

Approach

What is the motivation for this PR?

How did you do it?

How did you verify/test it?

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

• HLD - SDN Test framework for SONiC - SDN Test framework for SONiC #11771