update repo path to github.com/operator-framework/kpm

[joelanford]

Post-transfer, all repo references need to change to github.com/operator-framework/kpm

[Copilot]

Pull Request Overview

This PR updates all repository references to reflect a repository transfer from github.com/joelanford/kpm to github.com/operator-framework/kpm. This is a maintenance update required after the repository was transferred to a new organization.

• Updated Go module declaration in go.mod
• Updated all internal import paths across the codebase
• Updated installation instructions in README.md

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
go.mod	Updates module path to new repository location
main.go	Updates import path for internal CLI package
internal/pkg/spec/registryv1.go	Updates import paths for internal API and registry packages
internal/pkg/spec/builder.go	Updates import path for internal tar utility package
internal/pkg/bundle/registry/v1/metadata.go	Updates import path for internal registry package
internal/pkg/bundle/registry/v1/manifests_test.go	Updates import path for internal registry package
internal/pkg/bundle/registry/v1/manifests.go	Updates import path for internal registry package
internal/pkg/bundle/registry/v1/bundle.go	Updates import path for internal tar utility package
internal/cli/build.go	Updates import path for internal spec package
README.md	Updates installation command with new repository path

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