chore(deps): Bump imagesize from 1.4.1 to 2.0.0

Bumps [imagesize](https://github.com/shibukawa/imagesize_py) from 1.4.1 to 2.0.0.
- [Commits](https://github.com/shibukawa/imagesize_py/compare/1.4.1...2.0.0)

---
updated-dependencies:
- dependency-name: imagesize
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -4,7 +4,7 @@ certifi==2026.2.25
 charset-normalizer==3.4.6
 docutils==0.21.2
 idna==3.11
-imagesize==1.4.1
+imagesize==2.0.0
 importlib-metadata==8.7.1
 Jinja2==3.1.6
 MarkupSafe==3.0.3