[gopls-release-branch.0.5] internal/lsp: update hardcoded version to …

…v0.5.5

Change-Id: If4d96dc542abe1c86c949922e4b724682f229d91
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275440
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
Trust: Rebecca Stambler <rstambler@golang.org>

internal/lsp/debug/info.go

@@ -22,7 +22,7 @@ const (
 )
 
 // Version is a manually-updated mechanism for tracking versions.
-var Version = "v0.5.4"
+var Version = "v0.5.5"
 
 // ServerVersion is the format used by gopls to report its version to the
 // client. This format is structured so that the client can parse it easily.