update version entry for 24.6.0.rc1 (#7107)

* update hilla to 24.6.0.rc1

* Update flow to 24.6.0.rc1 (#7106)

* update kits to rc1

* update copilot to 24.6.0.rc1 (#7108)

---------

Co-authored-by: Zhe Sun <31067185+ZheSun88@users.noreply.github.com>

versions.json

@@ -122,7 +122,7 @@
             "npmName": "@vaadin/field-highlighter"
         },
         "flow": {
-            "javaVersion": "24.6.0.beta8"
+            "javaVersion": "24.6.0.rc1"
         },
         "flow-cdi": {
             "javaVersion": "15.1.0"
@@ -143,7 +143,7 @@
             "npmName": "@vaadin/grid"
         },
         "hilla": {
-            "javaVersion": "24.6.0.beta7"
+            "javaVersion": "24.6.0.rc1"
         },
         "horizontal-layout": {
             "jsVersion": "24.6.0-rc1",
@@ -382,7 +382,7 @@
     },
     "kits": {
         "appsec-kit-starter": {
-            "javaVersion": "3.2.3"
+            "javaVersion": "3.3.0.rc1"
         },
         "azure-kit": {
             "version": "1.0.0"
@@ -391,24 +391,24 @@
             "javaVersion": "1.1.0.beta2"
         },
         "copilot": {
-            "javaVersion": "24.6.0.beta4"
+            "javaVersion": "24.6.0.rc1"
         },
         "kubernetes-kit-starter": {
-            "javaVersion": "2.3.0"
+            "javaVersion": "2.4.0.rc1"
         },
         "observability-kit-starter": {
-            "javaVersion": "3.0.0",
-            "jsVersion": "3.0.0"
+            "javaVersion": "3.1.0.rc1",
+            "jsVersion": "3.1.0.rc1"
         },
         "sso-kit-starter": {
-            "javaVersion": "3.0.1",
-            "jsVersion": "3.0.1"
+            "javaVersion": "3.1.0.rc1",
+            "jsVersion": "3.1.0.rc1"
         },
         "swing-kit": {
             "javaVersion": "2.3.0"
         },
         "vaadin-collaboration-engine": {
-            "javaVersion": "6.3.0"
+            "javaVersion": "6.4.0.rc1"
         }
     },
     "platform": "{{version}}",