Revert request --> got migration (for now) (#6277)

* Revert "send custom user agent when using got (#6256)"
This reverts commit fd7eddc7bb.

* Revert "Migrate request to got (part 1 of many) (#6160)"
This reverts commit 2359eb278b.

* install got as a prod dependency, allow npm 7

services/keybase/keybase-btc.service.js

@@ -60,7 +60,7 @@ module.exports = class KeybaseBTC extends KeybaseProfile {
 
   async handle({ username }) {
     const options = {
-      qs: {
+      form: {
         usernames: username,
         fields: 'cryptocurrency_addresses',
       },

services/keybase/keybase-pgp.service.js

@@ -53,7 +53,7 @@ module.exports = class KeybasePGP extends KeybaseProfile {
 
   async handle({ username }) {
     const options = {
-      qs: {
+      form: {
         usernames: username,
         fields: 'public_keys',
       },

services/keybase/keybase-xlm.service.js

@@ -58,7 +58,7 @@ module.exports = class KeybaseXLM extends KeybaseProfile {
 
   async handle({ username }) {
     const options = {
-      qs: {
+      form: {
         usernames: username,
         fields: 'stellar',
       },

services/keybase/keybase-zec.service.js

@@ -60,7 +60,7 @@ module.exports = class KeybaseZEC extends KeybaseProfile {
 
   async handle({ username }) {
     const options = {
-      qs: {
+      form: {
         usernames: username,
         fields: 'cryptocurrency_addresses',
       },