Bump ruff from 0.8.4 to 0.9.4 (#135)

* Bump ruff from 0.8.4 to 0.9.4

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.8.4 to 0.9.4.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.8.4...0.9.4)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update source

---------

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

pyproject.toml

@@ -50,7 +50,7 @@ nbtest = [
     "nbmake>=1.5.0",
 ]
 style = [
-    "ruff==0.8.4",
+    "ruff==0.9.4",
     "nbqa>=1.8.5",
 ]
 lint = [

qiskit_addon_sqd/qubit.py

@@ -128,7 +128,7 @@ def project_operator_to_subspace(
         if verbose:  # pragma: no cover
             (
                 print(
-                    f"Projecting term {i+1} out of {hamiltonian.size}: {coefficient} * "
+                    f"Projecting term {i + 1} out of {hamiltonian.size}: {coefficient} * "
                     + "".join(pauli.to_label())
                     + " ..."
                 )