fix(deps): bump @opengovsg/spcp-auth-client from 1.4.7 to 1.4.8 (#2164)

Bumps [@opengovsg/spcp-auth-client](https://github.com/opengovsg/spcp-auth-client) from 1.4.7 to 1.4.8.
- [Release notes](https://github.com/opengovsg/spcp-auth-client/releases)
- [Commits](opengovsg/spcp-auth-client@v1.4.7...v1.4.8)

---
updated-dependencies:
- dependency-name: "@opengovsg/spcp-auth-client"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -60,7 +60,7 @@
     "@opengovsg/formsg-sdk": "^0.8.4-beta.0",
     "@opengovsg/myinfo-gov-client": "^4.0.0",
     "@opengovsg/ng-file-upload": "^12.2.15",
-    "@opengovsg/spcp-auth-client": "^1.4.7",
+    "@opengovsg/spcp-auth-client": "^1.4.8",
     "@sentry/browser": "^6.7.0",
     "@sentry/integrations": "^6.7.0",
     "@stablelib/base64": "^1.0.1",