build(deps): Bump docker/setup-buildx-action from 2 to 3 (#18)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2 to 3.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v2...v3)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

action.yml

@@ -79,7 +79,7 @@ runs:
           echo "Setting the function's releaseTag to: ${RELEASE_TAG}"
           echo "releaseTag=${RELEASE_TAG}" >> "$GITHUB_ENV"
       - name: Set up Docker Buildx # required to enable caching of docker build
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Log in to Speckle Automate Docker registry
         uses: docker/login-action@v3.0.0
         with: