update go-nostr.

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/jmoiron/sqlx v1.3.1
 	github.com/lib/pq v1.10.3
 	github.com/mattn/go-sqlite3 v1.14.6
-	github.com/nbd-wtf/go-nostr v0.19.5
+	github.com/nbd-wtf/go-nostr v0.20.0
 	github.com/rs/cors v1.7.0
 	github.com/stretchr/testify v1.8.2
 	golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53

go.sum

@@ -88,13 +88,8 @@ github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/mattn/go-sqlite3 v1.14.6 h1:dNPt6NO46WmLVt2DLNpwczCmdV5boIZ6g/tlDrlRUbg=
 github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
-github.com/nbd-wtf/go-nostr v0.19.5 h1:BdNTIKVJOyxRJwxzlblJqV7sja4pmCYFBXQdCDVowhI=
-github.com/nbd-wtf/go-nostr v0.19.5/go.mod h1:F9y6+M8askJCjilLgMC3rD0moA6UtG1MCnyClNYXeys=
-github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
-github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/nbd-wtf/go-nostr v0.20.0 h1:97SYhg68jWh5G1bW1g454hA0dTV7btwtPg836n4no0o=
+github.com/nbd-wtf/go-nostr v0.20.0/go.mod h1:iFfiZr8YYSC1vmdUei0VfDB7GH/RjS3cbmiD1I5BKyo=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=