Log Message:
gpgme: update to 1.18.0.

Noteworthy changes in version 1.18.0 (2022-08-10)
-------------------------------------------------

 * New keylist mode to force refresh via external methods.  [T5951]

 * The keylist operations now create an import result to report the
   result of the locate keylist modes.  [T5951]

 * core: Return BAD_PASSPHRASE error code on symmetric decryption
   failure.  [T5939]

 * cpp, qt: Do not export internal symbols anymore.  [T5906]

 * cpp, qt: Support revocation of own OpenPGP keys.  [T5904]

 * qt: The file name of (signed and) encrypted data can now be set.  [T6056]

 * cpp, qt: Support setting the primary user ID.  [T5938]

 * python: Fix segv(NULL) when inspecting contect after exeception.  [T6060]