fix: public section in Dyadic files (#12199)

This PR fixes `Init.Data.Dyadic.Instances` and `Init.Data.Dyadic.Inv`.
Previously, all declarations defined in boths file were private and not
exposed.

src/Init/Data/Dyadic/Instances.lean

@@ -11,6 +11,8 @@ public import Init.Grind.Ordered.Ring
 
 /-! # Internal `grind` algebra instances for `Dyadic`. -/
 
+@[expose] public section
+
 open Lean.Grind
 
 namespace Dyadic

src/Init/Data/Dyadic/Inv.lean

@@ -4,7 +4,9 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Kim Morrison
 -/
 module
+
 prelude
+public import Init.Data.Dyadic.Basic
 import Init.Data.Dyadic.Round
 import Init.Grind.Ordered.Ring
 
@@ -12,6 +14,8 @@ import Init.Grind.Ordered.Ring
 # Inversion for dyadic numbers
 -/
 
+@[expose] public section
+
 namespace Dyadic
 
 /--

src/Init/Data/Dyadic/Round.lean

@@ -7,7 +7,7 @@ module
 
 prelude
 public import Init.Data.Dyadic.Basic
-import all Init.Data.Dyadic.Instances
+import Init.Data.Dyadic.Instances
 import Init.Grind.Ordered.Rat
 import Init.Grind.Ordered.Field