CI: Use Python 3.14, CrateDB 5.10.16 and 6.3.3

Author: amotl

.github/workflows/main.yml

@@ -27,23 +27,23 @@ jobs:
       matrix:
         os: ['ubuntu-22.04']
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
-        cratedb-version: ['4.8.4', '5.9.2']
+        cratedb-version: ['4.8.4', '5.10.16', '6.3.3']
         include:
 
           # A single slot for testing CrateDB nightly.
           - os: 'ubuntu-latest'
-            python-version: '3.13'
+            python-version: '3.14'
             cratedb-version: 'nightly'
 
           # A single slot for testing macOS.
           - os: 'macos-latest'
-            python-version: '3.13'
-            cratedb-version: '5.9.2'
+            python-version: '3.14'
+            cratedb-version: '6.3.3'
 
           # A single slot for testing Windows.
           - os: 'windows-latest'
-            python-version: '3.13'
-            cratedb-version: '5.9.2'
+            python-version: '3.14'
+            cratedb-version: '6.3.3'
 
     env:
       OS: ${{ matrix.os }}