[ES-12728] Adding debian-13 support (elastic#137061) (elastic#137951)

* Adding debian 13 support for perioidc packaging/ platform support and packaging tests, and updating packaging tests on install to do a sysctl restart to apply conf changes



---------

Co-authored-by: Brian Seeders <[email protected]>

Author: neilbhavsar

.buildkite/pipelines/periodic-packaging.template.yml

@@ -9,6 +9,7 @@ steps:
             image:
               - debian-11
               - debian-12
+              - debian-13
               - opensuse-leap-15
               - oraclelinux-7
               - oraclelinux-8

.buildkite/pipelines/periodic-packaging.yml

@@ -10,6 +10,7 @@ steps:
             image:
               - debian-11
               - debian-12
+              - debian-13
               - opensuse-leap-15
               - oraclelinux-7
               - oraclelinux-8

.buildkite/pipelines/periodic-platform-support.yml

@@ -9,6 +9,7 @@ steps:
             image:
               - debian-11
               - debian-12
+              - debian-13
               - opensuse-leap-15
               - oraclelinux-7
               - oraclelinux-8

.buildkite/pipelines/pull-request/packaging-tests-unix.yml

@@ -12,6 +12,7 @@ steps:
             image:
               - debian-11
               - debian-12
+              - debian-13
               - opensuse-leap-15
               - oraclelinux-7
               - oraclelinux-8

qa/packaging/src/test/java/org/elasticsearch/packaging/util/Packages.java

@@ -254,6 +254,8 @@ private static void verifyOssInstallation(Installation es, Distribution distribu
             ).forEach(confFile -> assertThat(confFile, file(File, "root", "root", p644)));
 
             final String sysctlExecutable = (distribution.packaging == Distribution.Packaging.RPM) ? "/usr/sbin/sysctl" : "/sbin/sysctl";
+            // Restarting sysctl so changes to conf get applied
+            sh.run(sysctlExecutable + " --system");
             assertThat(sh.run(sysctlExecutable + " vm.max_map_count").stdout(), containsString("vm.max_map_count = 262144"));
         }
     }