Log Message:
libsecret: updated to 0.20.5

0.20.5
* Drop autotools-based build
* Use G_GNUC_NULL_TERMINATED where appropriate
* collection, methods, prompt: Port to GTask
* Detect local storage in snaps in the same way as flatpaks
* Add bash-completion for secret-tool
* secret-tool: Add locking capabilities to secret tool
* secret-file-backend: Avoid closing the same file descriptor twice
* Add support for TPM2 based secret storage
* Create default collection after DBus.Error.UnknownObject
* Port documentation to gi-docgen
* GI annotation and documentation fixes
* Build fixes
* Updated translations