chore(deps): bump image_optim_pack from 0.13.1 to 0.13.1.20260418

Bumps [image_optim_pack](https://github.com/toy/image_optim_pack) from 0.13.1 to 0.13.1.20260418.
- [Changelog](https://github.com/toy/image_optim_pack/blob/main/CHANGELOG.markdown)
- [Commits](toy/image_optim_pack@v0.13.1...v0.13.1.20260418)

---
updated-dependencies:
- dependency-name: image_optim_pack
  dependency-version: 0.13.1.20260418
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -96,13 +96,13 @@ GEM
       image_size (>= 1.5, < 4)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    image_optim_pack (0.13.1)
+    image_optim_pack (0.13.1.20260418)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
-    image_optim_pack (0.13.1-arm64-darwin)
+    image_optim_pack (0.13.1.20260418-arm64-darwin)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
-    image_optim_pack (0.13.1-x86_64-darwin)
+    image_optim_pack (0.13.1.20260418-x86_64-darwin)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
     image_size (3.4.0)