ci: Don't run tests on Debian 10

.gitlab-ci.yml

@@ -26,14 +26,7 @@ test-install-script:
   image: $TEST_IMAGE
   parallel:
     matrix:
-      - TEST_IMAGE:
-          [
-            "debian:10",
-            "ubuntu:focal",
-            "ubuntu:jammy",
-            "debian:11",
-            "debian:12",
-          ]
+      - TEST_IMAGE: ["ubuntu:focal", "ubuntu:jammy", "debian:11", "debian:12"]
   interruptible: true
   before_script:
     - apt-get update && apt-get install -y curl