doc: set additionalProperties to false in all request schemas.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

doc/schemas/close.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "id"
   ],

doc/schemas/connect.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "id"
   ],

doc/schemas/createonion.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "hops",
     "assocdata"

doc/schemas/datastore.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "key"
   ],

doc/schemas/deldatastore.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "key"
   ],

doc/schemas/fundpsbt.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "satoshi",
     "feerate",

doc/schemas/keysend.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "destination",
     "msatoshi"

doc/schemas/listdatastore.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "key"
   ],

doc/schemas/listnodes.request.json

@@ -2,6 +2,7 @@
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "required": [],
+  "additionalProperties": false,
   "properties": {
     "id": {
       "type": "pubkey"

doc/schemas/listsendpays.request.json

@@ -2,6 +2,7 @@
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "required": [],
+  "additionalProperties": false,
   "properties": {
     "bolt11": {
       "type": "string"

doc/schemas/newaddr.request.json

@@ -2,6 +2,7 @@
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "required": [],
+  "additionalProperties": false,
   "properties": {
     "addresstype": {
       "type": "string",

doc/schemas/pay.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "bolt11"
   ],

doc/schemas/sendonion.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "onion",
     "first_hop",

doc/schemas/sendpay.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "route",
     "payment_hash"

doc/schemas/sendpsbt.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "psbt"
   ],

doc/schemas/signpsbt.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "psbt"
   ],

doc/schemas/txdiscard.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "txid"
   ],

doc/schemas/txprepare.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "outputs"
   ],

doc/schemas/txsend.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "txid"
   ],

doc/schemas/utxopsbt.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "satoshi",
     "feerate",

doc/schemas/waitanyinvoice.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [],
   "properties": {
     "lastpay_index": {

doc/schemas/waitinvoice.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "label"
   ],

doc/schemas/waitsendpay.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "payment_hash"
   ],

doc/schemas/withdraw.request.json

@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
+  "additionalProperties": false,
   "required": [
     "destination"
   ],