treewide: introduce osbase package and move things around

All except localregistry moved from metropolis/pkg to osbase,
localregistry moved to metropolis/test as its only used there anyway.

Change-Id: If1a4bf377364bef0ac23169e1b90379c71b06d72
Reviewed-on: https://review.monogon.dev/c/monogon/+/3079
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/metropolis/node/core/consensus/status.go b/metropolis/node/core/consensus/status.go
index 44562bf..994e9f7 100644
--- a/metropolis/node/core/consensus/status.go
+++ b/metropolis/node/core/consensus/status.go
@@ -13,8 +13,8 @@
 	"source.monogon.dev/metropolis/node"
 	"source.monogon.dev/metropolis/node/core/consensus/client"
 	"source.monogon.dev/metropolis/node/core/identity"
-	"source.monogon.dev/metropolis/pkg/event"
-	"source.monogon.dev/metropolis/pkg/pki"
+	"source.monogon.dev/osbase/event"
+	"source.monogon.dev/osbase/pki"
 )
 
 // ServiceHandle is implemented by Service and should be the type expected by