Always report components health in bootstrap

This is useful in case the `Kustomization` does not reconcile
successfully because for example the controller(s) are in a crash loop,
which is not visible in the resource itself.

Signed-off-by: Hidde Beydals <hello@hidde.co>

internal/bootstrap/git/git.go

@@ -47,5 +47,6 @@ type Git interface {
 	Commit(message Commit) (string, error)
 	Push(ctx context.Context) error
 	Status() (bool, error)
+	Head() (string, error)
 	Path() string
 }