Bump imagesize from 0.7.1 to 1.4.1 in /docs

Bumps [imagesize](https://github.com/shibukawa/imagesize_py) from 0.7.1 to 1.4.1.
- [Commits](shibukawa/imagesize_py@0.7.1...1.4.1)

---
updated-dependencies:
- dependency-name: imagesize
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -4,7 +4,7 @@ certifi==2024.7.4
 chardet==5.2.0
 docutils==0.14
 idna==3.10
-imagesize==0.7.1
+imagesize==1.4.1
 Jinja2==3.1.4
 MarkupSafe==2.1.5
 Pygments==2.15.0