package.json: update dev version

For golang/vscode-go#2252

Change-Id: Ibdf8315d35995dc6edafdb1742421168795890a9
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/413416
Run-TryBot: Suzy Mueller <suzmue@golang.org>
Reviewed-by: Dylan Le <dungtuanle@google.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
diff --git a/package-lock.json b/package-lock.json
index e35b4eb..97e9de5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "go",
-  "version": "0.34.0-dev",
+  "version": "0.35.0-dev",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "go",
-      "version": "0.34.0-dev",
+      "version": "0.35.0-dev",
       "license": "MIT",
       "dependencies": {
         "diff": "4.0.2",
diff --git a/package.json b/package.json
index 514f1fd..1e3a54c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "go",
   "displayName": "Go",
-  "version": "0.34.0-dev",
+  "version": "0.35.0-dev",
   "preview": true,
   "publisher": "golang",
   "description": "Rich Go language support for Visual Studio Code",