internal/lsp: update hardcoded version string for v0.3.0

Change-Id: I46e3ff6dc4d3c57efeeaf99e2c719939aa66adc8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/217079
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/internal/lsp/debug/info.go b/internal/lsp/debug/info.go
index c49aeeb..6cd8ad5 100644
--- a/internal/lsp/debug/info.go
+++ b/internal/lsp/debug/info.go
@@ -21,7 +21,7 @@
 )
 
 // Version is a manually-updated mechanism for tracking versions.
-var Version = "v0.3.0-pre2"
+var Version = "v0.3.0"
 
 // PrintServerInfo writes HTML debug info to w for the Instance s.
 func PrintServerInfo(w io.Writer, s Instance) {