Update module github.com/ProtonMail/gopenpgp/v2 to v2.7.5

go.mod

@@ -8,7 +8,7 @@ require (
 	git.autistici.org/id/auth v0.0.0-20230817085209-0fd54184239d
 	git.autistici.org/id/go-sso v0.0.0-20230822064459-ed921a53bb33
 	git.autistici.org/id/usermetadb v0.0.0-20230817075814-ec109f54aa90
-	github.com/ProtonMail/gopenpgp/v2 v2.5.0
+	github.com/ProtonMail/gopenpgp/v2 v2.7.5
 	github.com/go-ldap/ldap/v3 v3.4.4
 	github.com/go-test/deep v1.1.0
 	github.com/patrickmn/go-cache v0.0.0-20180815053127-5633e0862627