Add json-rpc-middleware-stream to root tsconfig files (#2013)

## Explanation

- Fixes missing `json-rpc-middleware-stream` entries in root tsconfig
files that causes build failure during release workflow.

- Will add note in migration process guide
(#1551 (comment))
about the importance of step C-2.

## References

- See #1552

## Checklist

- [x] I've updated the test suite for new or updated code as appropriate
- [x] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [x] I've highlighted breaking changes using the "BREAKING" category
above as appropriate

tsconfig.build.json

@@ -36,6 +36,9 @@
     {
       "path": "./packages/json-rpc-engine/tsconfig.build.json"
     },
+    {
+      "path": "./packages/json-rpc-middleware-stream/tsconfig.build.json"
+    },
     {
       "path": "./packages/keyring-controller/tsconfig.build.json"
     },

tsconfig.json

@@ -40,6 +40,9 @@
     {
       "path": "./packages/json-rpc-engine"
     },
+    {
+      "path": "./packages/json-rpc-middleware-stream"
+    },
     {
       "path": "./packages/keyring-controller"
     },