bump required tensorflow r-pkg version

t-kalinowski · t-kalinowski · commit 14ee4e4fe1d1 · 2021-08-20T12:49:37.000-04:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -30,7 +30,7 @@ Depends:
 Imports:
     generics (>= 0.0.1),
     reticulate (>= 1.10),
-    tensorflow (>= 2.5.0.9002),
+    tensorflow (>= 2.6.0),
     tfruns (>= 1.0),
     magrittr,
     zeallot,
