feat: change the go module to github

[ryanzhang-oss]

Description of your changes

change the go module to github.com

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[Copilot]

Pull Request Overview

This PR updates the module import paths from "go.goms.io/fleet" to "github.com/kubefleet-dev/kubefleet" to reflect the new module hosting location. The key changes include updating import statements across controllers, authtoken providers, loadtest utilities, and command main packages.

Reviewed Changes

Copilot reviewed 309 out of 310 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pkg/controllers/clusterinventory/clusterprofile/suite_test.go	Updated cluster API module path
pkg/controllers/clusterinventory/clusterprofile/controller_test.go	Updated cluster API module path
pkg/controllers/clusterinventory/clusterprofile/controller_integration_test.go	Updated cluster API and utility module paths
pkg/controllers/clusterinventory/clusterprofile/controller.go	Updated cluster API and utility module paths
pkg/authtoken/providers/secret/k8s_secret.go	Updated authtoken module path
pkg/authtoken/providers/azure/azure_msi.go	Updated authtoken module path
hack/loadtest/util/placement.go	Updated placement API and utility module paths
hack/loadtest/util/help.go	Updated placement API module path
hack/loadtest/main.go	Updated placement API and loadtest module paths
cmd/memberagent/main.go	Updated various module paths for clustering and workload controllers
cmd/hubagent/workload/setup.go	Updated cluster and placement API, provider, and utility module paths
cmd/hubagent/options/validation.go	Updated utility module path
cmd/hubagent/options/options.go	Updated utility module path
cmd/hubagent/main.go	Updated cluster, placement and controller module paths
cmd/authtoken/main_test.go	Updated authtoken provider module path
cmd/authtoken/main.go	Updated authtoken and provider module paths
apis/placement/v1alpha1/zz_generated.deepcopy.go	Updated placement API module path (import order corrected)
apis/placement/v1alpha1/stagedupdate_types.go	Updated placement API module path
apis/placement/v1alpha1/override_types.go	Updated placement API module path

Files not reviewed (1)

• go.mod: Language not supported