Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/cache](https://github.com/actions/cache) and [ansys/actions](https://github.com/ansys/actions).


Updates `actions/cache` from 3 to 4
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

Updates `ansys/actions` from 5 to 6
- [Release notes](https://github.com/ansys/actions/releases)
- [Commits](ansys/actions@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: ansys/actions
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/ci_cd.yml

@@ -177,7 +177,7 @@ jobs:
         id: version
 
       - name: Cache examples
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: doc/source/examples
           key: Examples-v${{ env.RESET_EXAMPLES_CACHE }}-${{ steps.version.outputs.PYFLUENT_PARAMETRIC_VERSION }}-${{ env.DOC_DEPLOYMENT_IMAGE_TAG }}-${{ hashFiles('examples/**') }}-${{ github.sha }}
@@ -198,7 +198,7 @@ jobs:
 
       - name: Deploy
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, 'dev')
-        uses: ansys/actions/doc-deploy-stable@v5
+        uses: ansys/actions/doc-deploy-stable@v6
         with:
           doc-artifact-name: 'HTML-Documentation-tag-${{ env.DOC_DEPLOYMENT_IMAGE_TAG }}'
           cname: ${{ env.DOCUMENTATION_CNAME }}

.github/workflows/nightly-doc-build.yml

@@ -53,7 +53,7 @@ jobs:
           retention-days: 7
 
       - name: Deploy
-        uses: ansys/actions/doc-deploy-dev@v5
+        uses: ansys/actions/doc-deploy-dev@v6
         with:
           doc-artifact-name: HTML-Documentation-tag-${{ env.DOC_DEPLOYMENT_IMAGE_TAG }}
           cname: ${{ env.DOCUMENTATION_CNAME }}