Merge #729: Bump Approx disk size to 400 Gb

2868084 Bump Approx disk size to 400 Gb (randymcmillan)

Pull request description:

ACKs for top commit:
  Sjors:
    ACK 2868084
  harding:
    ACK 2868084

Tree-SHA512: ad6df18d5977999a8fd79d7aa32ee41e81f00bd710d1e3b27c0de35fe56a938b3d8f952148edb798a8982a102bf55913ca39f91c3f7664faecf206a10e603771

Author: harding

_data/stats.yml

@@ -1,7 +1,7 @@
 ## Size of the Bitcoin Core data directory running with default settings.
 ## Suggest rounding up by about 10% so it doesn't need to be updated
 ## too often.
-datadir_gb: "300"
+datadir_gb: "400"
 
 ## Size of the datadir with the maximum allowed pruning enabled.
 ## Suggest rounding up a little bit to give room for growth in the UTXO