@react-rxjs/core@0.8.6 fix build

Author: josepot

packages/core/package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.8.5",
+  "version": "0.8.6",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/re-rxjs/react-rxjs.git"
@@ -26,10 +26,10 @@
   ],
   "scripts": {
     "build": "yarn build:ts && yarn build:esm2017 && yarn build:esm2019 && yarn build:cjs:dev && yarn build:cjs:prod",
-    "build:esm2019": "esbuild src/index.tsx --bundle --outfile=./dist/core.es2019.mjs --target=es2019 --external:react --external:rxjs --format=esm --sourcemap",
-    "build:esm2017": "esbuild src/index.tsx --bundle --outfile=./dist/core.es2017.js --target=es2017 --external:react --external:rxjs --format=esm --sourcemap",
-    "build:cjs:dev": "esbuild src/index.tsx --bundle --outfile=./dist/core.cjs.development.js --target=es2015 --external:react --external:rxjs --format=cjs --sourcemap",
-    "build:cjs:prod": "esbuild src/index.tsx --bundle --outfile=./dist/core.cjs.production.min.js --target=es2015 --external:react --external:rxjs --format=cjs --minify --sourcemap",
+    "build:esm2019": "esbuild src/index.tsx --bundle --outfile=./dist/core.es2019.mjs --target=es2019 --external:react --external:rxjs --external:use-sync-external-store --format=esm --sourcemap",
+    "build:esm2017": "esbuild src/index.tsx --bundle --outfile=./dist/core.es2017.js --target=es2017 --external:react --external:rxjs --external:use-sync-external-store --format=esm --sourcemap",
+    "build:cjs:dev": "esbuild src/index.tsx --bundle --outfile=./dist/core.cjs.development.js --target=es2015 --external:react --external:rxjs --external:use-sync-external-store --format=cjs --sourcemap",
+    "build:cjs:prod": "esbuild src/index.tsx --bundle --outfile=./dist/core.cjs.production.min.js --target=es2015 --external:react --external:rxjs --external:use-sync-external-store  --format=cjs --minify --sourcemap",
     "build:ts": "tsc -p ./tsconfig-build.json --outDir ./dist --skipLibCheck --emitDeclarationOnly",
     "test": "jest --coverage",
     "lint": "prettier --check README.md \"src/**/*.{js,jsx,ts,tsx,json,md}\"",