Upgrade to go-execute/v2

Upgrades to go-execute/v2 and updates various other
dependencies.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/distribution/reference/README.md

@@ -0,0 +1,30 @@
+# Distribution reference
+
+Go library to handle references to container images.
+
+<img src="/distribution-logo.svg" width="200px" />
+
+[![Build Status](https://github.com/distribution/reference/actions/workflows/test.yml/badge.svg?branch=main&event=push)](https://github.com/distribution/reference/actions?query=workflow%3ACI)
+[![GoDoc](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/distribution/reference)
+[![License: Apache-2.0](https://img.shields.io/badge/License-Apache--2.0-blue.svg)](LICENSE)
+[![codecov](https://codecov.io/gh/distribution/reference/branch/main/graph/badge.svg)](https://codecov.io/gh/distribution/reference)
+[![FOSSA Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Fdistribution%2Freference.svg?type=shield)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Fdistribution%2Freference?ref=badge_shield)
+
+This repository contains a library for handling refrences to container images held in container registries. Please see [godoc](https://pkg.go.dev/github.com/distribution/reference) for details.
+
+## Contribution
+
+Please see [CONTRIBUTING.md](CONTRIBUTING.md) for details on how to contribute
+issues, fixes, and patches to this project.
+
+## Communication
+
+For async communication and long running discussions please use issues and pull requests on the github repo.
+This will be the best place to discuss design and implementation.
+
+For sync communication we have a #distribution channel in the [CNCF Slack](https://slack.cncf.io/)
+that everyone is welcome to join and chat about development.
+
+## Licenses
+
+The distribution codebase is released under the [Apache 2.0 license](LICENSE).