Include new tools in update-go and fix dibble (#48461)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Chores**
* Updated the project’s Go version settings to keep tooling in sync
across all relevant components.
* Running the standard Go update workflow will now apply version updates
to an additional part of the codebase.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Makefile

@@ -1049,7 +1049,8 @@ UPDATE_GO_MODS := \
 	./tools/github-manage/go.mod \
 	./tools/qacheck/go.mod \
 	./third_party/goval-dictionary/go.mod \
-	./tools/fleet-mcp/go.mod
+	./tools/fleet-mcp/go.mod \
+	./tools/dibble/go.mod
 update-go:
 	@test $(version) || (echo "Mising 'version' argument, usage: 'make update-go version=1.24.4'" ; exit 1)
 	@for dockerfile in $(UPDATE_GO_DOCKERFILES) ; do \

tools/dibble/go.mod

@@ -1,6 +1,6 @@
 module github.com/fleetdm/fleet/v4/tools/dibble
 
-go 1.26.3
+go 1.26.4
 
 // The parent fleet module is included so we can enumerate every activity
 // type for the `dibble activities` seeder. Pinned to the local checkout via