chore(deps): bump tox from 4.63.0 to 4.64.3 in /.github/unit-tests (#403)

Bumps [tox](https://github.com/tox-dev/tox) from 4.63.0 to 4.64.3.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.63.0...4.64.3)

---
updated-dependencies:
- dependency-name: tox
  dependency-version: 4.64.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/unit-tests/requirements.in

@@ -1 +1 @@
-tox==4.63.0
+tox==4.64.3

.github/unit-tests/requirements.txt

@@ -53,9 +53,9 @@ tomli-w==1.2.0 \
     --hash=sha256:188306098d013b691fcadc011abd66727d3c414c571bb01b1a174ba8c983cf90 \
     --hash=sha256:2dd14fac5a47c27be9cd4c976af5a12d87fb1f0b4512f81d69cce3b35ae25021
     # via tox
-tox==4.63.0 \
-    --hash=sha256:e8c560a9124e127c5e0547912d2ae1ef948dbba2fdea0b8d506e609a126b2e47 \
-    --hash=sha256:fb7105ef125b371e31797cfa615e5a160de3d8ef29b86dca7fcbd9048da3a9d8
+tox==4.64.3 \
+    --hash=sha256:da24946605de8d5af261a309d092435f69ad0651c7d3e50c7bd92b97c39a77a9 \
+    --hash=sha256:f6e680a6eacc0201e9ff10959257bdb88036d03db1d8fb6b480c83da2137d68b
     # via -r requirements.in
 typing-extensions==4.16.0 \
     --hash=sha256:481caa481374e813c1b176ada14e97f1f67a4539ce9cfeb3f350d78d6370c2e8 \