Bump calibreapp/image-actions from 1.3.0 to 1.4.0

Bumps [calibreapp/image-actions](https://github.com/calibreapp/image-actions) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/calibreapp/image-actions/releases)
- [Commits](calibreapp/image-actions@1.3.0...1.4.0)

---
updated-dependencies:
- dependency-name: calibreapp/image-actions
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v5.0.0
-      - uses: calibreapp/image-actions@1.3.0
+      - uses: calibreapp/image-actions@1.4.0
         id: image_actions
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}