Execute multi-Java test suite on Thursday morning

Better balanced in the week than on Wednesday morning.

(cherry picked from commit cc44e22)

Author: acogoluegnes

.github/workflows/test-3.11-alpha.yml

@@ -2,7 +2,7 @@ name: Test against RabbitMQ 3.11 alpha
 
 on:
   schedule:
-    - cron: '0 4 ? * SUN,WED'
+    - cron: '0 4 ? * SUN,THU'
   pull_request:
     branches:
       - 5.x.x-stable

.github/workflows/test-native-image.yml

@@ -2,7 +2,7 @@ name: Test GraalVM native image
 
 on:
   schedule:
-    - cron: '0 4 ? * SUN,WED'
+    - cron: '0 4 ? * SUN,THU'
   workflow_dispatch:
 
 env:

.github/workflows/test-supported-java-versions-5.x.yml

@@ -2,7 +2,7 @@ name: Test against supported Java versions (5.x)
 
 on:
   schedule:
-    - cron: '0 4 ? * SUN,WED'
+    - cron: '0 4 ? * SUN,THU'
   workflow_dispatch:
 
 env:

.github/workflows/test-supported-java-versions-main.yml

@@ -2,7 +2,7 @@ name: Test against supported Java versions (main)
 
 on:
   schedule:
-    - cron: '0 4 ? * SUN,WED'
+    - cron: '0 4 ? * SUN,THU'
   workflow_dispatch:
 
 env: