Bump sortablejs from 1.15.3 to 1.15.4

Bumps [sortablejs](https://github.com/SortableJS/Sortable) from 1.15.3 to 1.15.4.
- [Release notes](https://github.com/SortableJS/Sortable/releases)
- [Commits](SortableJS/Sortable@1.15.3...1.15.4)

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

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

package.json

@@ -41,7 +41,7 @@
     "sass": "^1.81.0",
     "sass-loader": "^16.0.3",
     "shakapacker": "8.0.2",
-    "sortablejs": "^1.15.3",
+    "sortablejs": "^1.15.4",
     "sorttable": "^1.0.2",
     "style-loader": "^4.0.0",
     "terser-webpack-plugin": "^5.3.10",

yarn.lock

@@ -2629,7 +2629,7 @@ __metadata:
     sass: "npm:^1.81.0"
     sass-loader: "npm:^16.0.3"
     shakapacker: "npm:8.0.2"
-    sortablejs: "npm:^1.15.3"
+    sortablejs: "npm:^1.15.4"
     sorttable: "npm:^1.0.2"
     style-loader: "npm:^4.0.0"
     terser-webpack-plugin: "npm:^5.3.10"
@@ -6493,10 +6493,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sortablejs@npm:^1.15.3":
-  version: 1.15.3
-  resolution: "sortablejs@npm:1.15.3"
-  checksum: 10c0/dfd79a7dd7041fe1080d58d2191cd4df62cfc9912bbb4069f295fb2c5f23eb31112931614faddce7011d30fe784d26af3416c94182e02bcf4f6274509b60242e
+"sortablejs@npm:^1.15.4":
+  version: 1.15.4
+  resolution: "sortablejs@npm:1.15.4"
+  checksum: 10c0/aa22614b8aadc0253eb19b88c29d748af37bb3ab3d16a58c619a3bc806a96b5742e51908bffe94ab4d75a6f7458ea1524a4619c109a1e0716bb72b2ae25463e5
   languageName: node
   linkType: hard