[gopls-release-branch.0.7] internal/lsp: fix hardcoded version

It should be v0.7.1, not v0.7.2.

Change-Id: I9d5e4ecd57495505f96a4425832776a1512fd956
Reviewed-on: https://go-review.googlesource.com/c/tools/+/337752
Trust: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>

internal/lsp/debug/info.go

diff --git a/internal/lsp/debug/info.go b/internal/lsp/debug/info.go
index fddfff2..277c337 100644
--- a/internal/lsp/debug/info.go
+++ b/internal/lsp/debug/info.go
@@ -26,7 +26,7 @@
 )
 
 // Version is a manually-updated mechanism for tracking versions.
-const Version = "v0.7.2"
+const Version = "v0.7.1"
 
 // 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.