Update CI to run on Moodle 5.0-rc3

Author: FMCorz

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
       fail-fast: false
       matrix:
         php: ['8.1', '8.2', '8.3']
-        moodle-branch: ['MOODLE_401_STABLE', 'MOODLE_404_STABLE', 'MOODLE_405_STABLE', 'v5.0.0-rc2']
+        moodle-branch: ['MOODLE_401_STABLE', 'MOODLE_404_STABLE', 'MOODLE_405_STABLE', 'v5.0.0-rc3']
         database: [pgsql]
         include:
           # PHP 7.4, solely on Moodle 4.1.
@@ -51,7 +51,7 @@ jobs:
             php: 8.0
 
           # PHP 8.4, with Moodle 5.0.
-          - moodle-branch: v5.0.0-rc2
+          - moodle-branch: v5.0.0-rc3
             database: pgsql
             php: 8.4
 
@@ -68,7 +68,7 @@ jobs:
             php: 8.2
           - moodle-branch: MOODLE_401_STABLE
             php: 8.3
-          - moodle-branch: v5.0.0-rc2
+          - moodle-branch: v5.0.0-rc3
             php: 8.1
 
     steps: