chore: add new scripts for debian 12

- package_manager_is_configured         -> 1.2.1.2
- ptrace_scope_is_restricted            -> 1.5.2
- gdm_is_removed.sh                     -> 1.7.1
- dnsmasq_is_disabled.sh                -> 2.1.5

tests/hardening/gdm_is_removed.sh

@@ -0,0 +1,12 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Prepare test
+    apt remove -y gdm3
+
+    describe Running resolved test
+    register_test retvalshouldbe 0
+    # shellcheck disable=2154
+    run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+}