gopls: update to use the mcp [email protected]

Change-Id: Ibc4c5fff6a209137ad56fe8782970f602e7a0606
Reviewed-on: https://go-review.googlesource.com/c/tools/+/707176
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Jonathan Amsterdam <[email protected]>
Auto-Submit: Robert Findley <[email protected]>

Author: findleyr

gopls/go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/google/go-cmp v0.7.0
 	github.com/jba/templatecheck v0.7.1
-	github.com/modelcontextprotocol/go-sdk v0.7.0
+	github.com/modelcontextprotocol/go-sdk v0.8.0
 	golang.org/x/mod v0.28.0
 	golang.org/x/sync v0.17.0
 	golang.org/x/telemetry v0.0.0-20250908211612-aef8a434d053

gopls/go.sum

@@ -23,8 +23,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/modelcontextprotocol/go-sdk v0.7.0 h1:XEQfn3bDx2cAdSUKty3tYEMll5dtRgBUDX88Q65fai0=
-github.com/modelcontextprotocol/go-sdk v0.7.0/go.mod h1:nYtYQroQ2KQiM0/SbyEPUWQ6xs4B95gJjEalc9AQyOs=
+github.com/modelcontextprotocol/go-sdk v0.8.0 h1:jdsBtGzBLY287WKSIjYovOXAqtJkP+HtFQFKrZd4a6c=
+github.com/modelcontextprotocol/go-sdk v0.8.0/go.mod h1:nYtYQroQ2KQiM0/SbyEPUWQ6xs4B95gJjEalc9AQyOs=
 github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/yosida95/uritemplate/v3 v3.0.2 h1:Ed3Oyj9yrmi9087+NczuL5BwkIc4wvTb5zIM+UJPGz4=