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/package_manager_is_configured.sh

@@ -0,0 +1,9 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    # chance to not have any souces list on a blank host are close to null
+    register_test retvalshouldbe 0
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+}