Merge #6059: fix: build with gcc 13.2.0 - missing header memory in addrdb

a86f975ad9 fix: build with gcc 13.2.0 - missing header memory in addrdb (Konstantin Akimov)

Pull request description:

  ## Issue being fixed or feature implemented
  ```
  In file included from test/addrman_tests.cpp:5:
  ./addrdb.h:51:99: error: ‘std::unique_ptr’ has not been declared
     51 | std::optional<bilingual_str> LoadAddrman(const std::vector<bool>& asmap, const ArgsManager& args, std::unique_ptr<AddrMan>& addrman);
        |                                                                                                   ^~~
  ./addrdb.h:51:114: error: expected ‘,’ or ‘...’ before ‘<’ token
     51 | std::optional<bilingual_str> LoadAddrman(const std::vector<bool>& asmap, const ArgsManager& args, std::unique_ptr<AddrMan>& addrman);
        |
  ```

  ## What was done?
  adds missing header `<memory>` in addrdb

  ## How Has This Been Tested?
  Run build - it works

  ## Breaking Changes
  N/A

  ## Checklist:
  - [x] I have performed a self-review of my own code
  - [ ] I have commented my code, particularly in hard-to-understand areas
  - [ ] I have added or updated relevant unit/integration/functional/e2e tests
  - [ ] I have made corresponding changes to the documentation
  - [x] I have assigned this pull request to a milestone

ACKs for top commit:
  UdjinM6:
    utACK a86f975ad9
  PastaPastaPasta:
    utACK a86f975ad9

Tree-SHA512: e25f63b6b823b3ef0a0dcb43386bed144ab68e05d09552dc109fb7687e16422949cfc4deb1b65d6d0d842299bd0e13da673d90aae695dcedeec4bc27f33c6f5f

src/addrdb.h

@@ -10,6 +10,7 @@
 #include <net_types.h> // For banmap_t
 #include <univalue.h>
 
+#include <memory>
 #include <optional>
 #include <vector>