TEST: Metadata Upload fix for um

[CodeGat]

See ACCESS-NRI/build-cd#364

The PR

• [no ci] infra: Update to v8
• [no ci] infra: Update spack version to v1.1, update manifest schema to 2-0-0
• [no ci] spack.yaml: Dedent list elements for spack-style manifests
• [no ci] spack.yaml: Add reserved definitions
• [no ci] spack.yaml: Use toolchains
• [no ci] versions.json,spack.yaml: Add ukmo-restricted-scope to custom-scopes rather than environment
• [no ci] Remove inputs.pr, updated versions in ci-comment
• [no ci] Update config/versions.json access-spack-packages version to common api-v2 tag
• TEST: Update branch to test-v8
• Update to language-based compiler restrictions
• TEST: metadata fix

---

🚀 The latest prerelease access-am3/pr29-1 at e707d87 is here: #29 (comment) 🚀

[github-actions]

🚀 Attempted to deploy access-am3 Prerelease pr29-1 with commit 571e28b

🖥️ Gadi Deployment ❌

[github-actions]

🚀 Attempted to deploy access-am3 Prerelease pr29-1 with commit e707d87

🖥️ Gadi Deployment ❌

[CodeGat]

Whoops, wrong repo...