update hilla to 24.8.7, feature-pack to 24.8.2, swing-kit 2.4.1 (24.8) (#7962)

* update hilla to 24.8.7

* update feature-pack to 24.8.2 [skip ci] (#7963)

* chore: update swing kit 2.4.1

---------

Co-authored-by: Zhe Sun <[email protected]>

Author: vaadin-bot

versions.json

@@ -149,7 +149,7 @@
             "npmName": "@vaadin/grid"
         },
         "hilla": {
-            "javaVersion": "24.8.6"
+            "javaVersion": "24.8.7"
         },
         "horizontal-layout": {
             "jsVersion": "24.8.6",
@@ -423,7 +423,7 @@
             "jsVersion": "3.1.2"
         },
         "swing-kit": {
-            "javaVersion": "2.4-SNAPSHOT"
+            "javaVersion": "2.4.1"
         },
         "vaadin-collaboration-engine": {
             "javaVersion": "6.5.0"
@@ -573,7 +573,7 @@
             "pro": true
         },
         "vaadin-feature-pack": {
-            "javaVersion": "24.8.1"
+            "javaVersion": "24.8.2"
         },
         "vaadin-license-checker": {
             "javaVersion": "1.13.5"