codec: update version of codecgen to 8

codec/gen-helper.generated.go

@@ -16,7 +16,7 @@ import (
 )
 
 // GenVersion is the current version of codecgen.
-const GenVersion = 6
+const GenVersion = 8
 
 // This file is used to generate helper code for codecgen.
 // The values here i.e. genHelper(En|De)coder are not to be used directly by

codec/gen.go

@@ -101,7 +101,7 @@ import (
 // v4: Removed separator support from (en|de)cDriver, and refactored codec(gen)
 // v5: changes to support faster json decoding. Let encoder/decoder maintain state of collections.
 // v6: removed unsafe from gen, and now uses codecgen.exec tag
-const genVersion = 6
+const genVersion = 8
 
 const (
 	genCodecPkg        = "codec1978"