Update run-tests.yml (#15)

Ensure ArangoDB 3.10 compatibility

Author: LaravelFreelancerNL

.github/workflows/run-tests.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        arangodb: [3.8, 3.9]
+        arangodb: [3.8, 3.9, 3.10]
         php: [8.0, 8.1, 8.2]
         stability: [prefer-stable]