This changes various tests in minor ways:
1. The "l2" secret key in tests/plugins/channeld_fakenet.c is updated.
2. The decompressed gossip data node id needs changing.
3. The coinmoves order changes in bookkeeper for anchors.
4. Various harcoded gossip constants change.
5. Some hardcoded makesecret results change.
6. zeroconf tests which hardcoded node ids change.
7. Arbitrary rune strings change.
8. A log message which uses node ids changes.
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