Bump actions/upload-artifact from 5 to 6 (#996)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  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>

.github/workflows/build_latest_podman.yml

@@ -183,7 +183,7 @@ jobs:
           echo "${{ steps.build-info.outputs.version }}" > podman-artifact/VERSION
 
       - name: Upload Podman artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: podman-latest
           path: podman-artifact/

.github/workflows/collection-continuous-integration.yml

@@ -41,7 +41,7 @@ jobs:
           ~/.local/bin/ansible-galaxy collection build --output-path
           "${GITHUB_WORKSPACE}/.cache/collection-tarballs"
       - name: Store migrated collection artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: collection
           path: .cache/collection-tarballs

.github/workflows/connections_tests.yml

@@ -61,7 +61,7 @@ jobs:
           ~/.local/bin/ansible-galaxy collection build --output-path
           "${GITHUB_WORKSPACE}/.cache/collection-tarballs"
       - name: Store migrated collection artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: collection
           path: .cache/collection-tarballs

.github/workflows/test-inventory-examples.yml

@@ -351,7 +351,7 @@ jobs:
           /home/runner/.ansible/collections/ansible_collections/containers/podman
 
       - name: Upload coverage artifact (ansible-test outputs)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: inventory-coverage
           path: |