feat(mdns): Allow allocate memory with configured caps

components/mdns/tests/test_afl_fuzz_host/esp32_mock.c

@@ -135,3 +135,28 @@ void heap_caps_free(void *ptr)
 {
     free(ptr);
 }
+
+void *mdns_mem_malloc(size_t size)
+{
+    return malloc(size);
+}
+
+void *mdns_mem_calloc(size_t num, size_t size)
+{
+    return calloc(num, size);
+}
+
+void mdns_mem_free(void *ptr)
+{
+    free(ptr);
+}
+
+char *mdns_mem_strdup(const char *s)
+{
+    return strdup(s);
+}
+
+char *mdns_mem_strndup(const char *s, size_t n)
+{
+    return strndup(s, n);
+}