Update dependencies

This update includes a newer version of the RTMP server that supports
the enhances RTMP specification, i.e. HEVC, VP9, and AV1.

vendor/github.com/go-openapi/spec/embed.go

@@ -0,0 +1,17 @@
+package spec
+
+import (
+	"embed"
+	"path"
+)
+
+//go:embed schemas/*.json schemas/*/*.json
+var assets embed.FS
+
+func jsonschemaDraft04JSONBytes() ([]byte, error) {
+	return assets.ReadFile(path.Join("schemas", "jsonschema-draft-04.json"))
+}
+
+func v2SchemaJSONBytes() ([]byte, error) {
+	return assets.ReadFile(path.Join("schemas", "v2", "schema.json"))
+}