extension/tools: fix gopls config update failure and update settings

This is a manual CL which updates the gopls version and settings.

Taking over CL 722001

Fix gopls hover over test when hover over a number, column 16 is
pointing to the whitespace before the second zero in expr causing
gopls return the return type of the following function call. Column
17 is pointing to the second zero in the expr.

net.IPv4Mask(0, 0, 0, 0)

For golang/go#76367

Change-Id: I36d81f2d41607d00e569149e77bd87577edb075d
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/722242
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Madeline Kalil <[email protected]>

Author: h9jiang