all: implement forkid changes for shanghai

cmd/devp2p/internal/ethtest/chain.go

@@ -76,7 +76,7 @@ func (c *Chain) RootAt(height int) common.Hash {
 
 // ForkID gets the fork id of the chain.
 func (c *Chain) ForkID() forkid.ID {
-	return forkid.NewID(c.chainConfig, c.blocks[0].Hash(), uint64(c.Len()))
+	return forkid.NewID(c.chainConfig, c.blocks[0].Hash(), uint64(c.Len()), c.blocks[0].Time())
 }
 
 // Shorten returns a copy chain of a desired height from the imported