Bump actions/setup-python from 5 to 6 (#3604)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  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>
Co-authored-by: Harry <Harry@cadby.co.uk>

Author: dependabot[bot]

.github/workflows/build-cache.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           submodules: true
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'
@@ -39,7 +39,7 @@ jobs:
         with:
           submodules: true
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'

.github/workflows/master-slugs.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           ssh-key: ${{secrets.SLUG_DEPLOY_KEY}}
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'

.github/workflows/update-generated-schema.yml

@@ -22,7 +22,7 @@ jobs:
           submodules: true
         if: ${{ steps.netbox-release.outputs.release != vars.SCHEMA_VERSION }}
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'

.github/workflows/validation.yml

@@ -12,7 +12,7 @@ jobs:
         with:
           submodules: true
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'
@@ -41,7 +41,7 @@ jobs:
         with:
           submodules: true
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'
@@ -73,7 +73,7 @@ jobs:
         with:
           submodules: true
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: setup_python
         with:
           python-version: '3.12'