github-actions: bump actions/setup-python from 4.6.0 to 4.6.1 (#9252)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.6.0 to 4.6.1.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@57ded4d...bd6b4b6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/otns.yml

@@ -67,7 +67,7 @@ jobs:
       with:
         go-version: "1.20"
     - name: Set up Python
-      uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b # v4.6.0
+      uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
       with:
         python-version: "3.9"
     - name: Bootstrap
@@ -106,7 +106,7 @@ jobs:
         with:
           go-version: "1.20"
       - name: Set up Python
-        uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b # v4.6.0
+        uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
         with:
           python-version: "3.9"
       - name: Bootstrap
@@ -168,7 +168,7 @@ jobs:
         with:
           go-version: "1.20"
       - name: Set up Python
-        uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b # v4.6.0
+        uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
         with:
           python-version: "3.9"
       - name: Bootstrap