internal/task: update tagging for x/oscar/internal/devtools nested module

A fourth nested module was added to x/oscar in CL 615155. The rest of
the CL stack makes manually maintaining this list no longer necessary.

For golang/go#68873.

Change-Id: Ib775a2c84d269b5d9bbd85ba12ded1b78b711706
Reviewed-on: https://go-review.googlesource.com/c/build/+/617776
Auto-Submit: Dmitri Shuralyov <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>

Author: dmitshur

internal/task/tagx.go

@@ -398,7 +398,7 @@ func (x *TagXReposTasks) UpdateGoMod(ctx *wf.TaskContext, repo TagRepo, deps []T
 		dirs = append(dirs, "slog/benchmarks/zap_benchmarks")     // A local replace directive as of 2023-09-05.
 		dirs = append(dirs, "slog/benchmarks/zerolog_benchmarks") // A local replace directive as of 2023-09-05.
 	case "oscar":
-		dirs = append(dirs, "internal/gaby", "internal/gcp", "internal/syncdb") // Using a checked-in go.work as of 2024-08-14.
+		dirs = append(dirs, "internal/devtools", "internal/gaby", "internal/gcp", "internal/syncdb") // Using a checked-in go.work as of 2024-10-03.
 	case "telemetry":
 		dirs = append(dirs, "godev") // A local replace directive as of 2023-09-05.
 	case "tools":