chore: pin sonar workflow

[JossWhittle]

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📝 Pre-merge checklist

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• 💹 Have all required CI checks passed on the most recent commit?
• ✒️ Is the PR title a valid and meaningful conventional-commit message? ie. type(scope): summary
• 💥 Are breaking changes declared in the PR title in conventional-commit style? ie. type!(scope): summary
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[github-actions]

✒️ PR Title Commitlint - ✔️ Lint success!

[github-actions]

🛠️ 🐳 Build PR Container - azurekeycloaktester-container - 🏷️ Commit: 78f6c37 - ⚙️ Workflow: 11838570651

harbor.ukserp.ac.uk/github-workflows-test/azurekeycloaktester:pr-192
harbor.ukserp.ac.uk/github-workflows-test/azurekeycloaktester:pr-192-78f6c37
sha256:ad2876cd96778efd45d0957250268559d8a49fdfe111b7e07cefa314134714ca

[github-actions]

🚀 🐳 Build Release Container - azurekeycloaktester-container - 🏷️ Commit: 7e196eb - ⚙️ Workflow: 11838616668

v1.0.2-azurekeycloaktester-container
harbor.ukserp.ac.uk/github-workflows-test/azurekeycloaktester:1.0.2

sha256:4dd56bf42798922e0233de6f34a41ed89b273915b9b0c1bfc3d804161f5a706d