Add missing 'v'-prefix in forester's ppx_yojson_conv dependency bound

Author: jmid

packages/forester/forester.5.0/opam

@@ -33,7 +33,7 @@ depends: [
   "cid" {>= "0.1.0"}
   "lsp" {>= "0.19.0"}
   "jsonrpc" {>= "1.22.0"}
-  "ppx_yojson_conv" {>= "0.17.0"}
+  "ppx_yojson_conv" {>= "v0.17.0"}
   "logs" {>= "0.7.0"}
   "bisect_ppx" {>= "2.8.3"}
   "cohttp-eio" {>= "6.0.0"}