chore: Fix set-version script

Author: szuperaz

set-version.sh

@@ -5,5 +5,5 @@ VERSION_VAR="export const version = '$VERSION';"
 
 echo -n "" > ./projects/stream-chat-angular/src/assets/version.ts
 echo $VERSION_VAR > ./projects/stream-chat-angular/src/assets/version.ts
-sed -i "s/\d\.\d\.\d/\$VERSION/" ./projects/stream-chat-angular/package.json
+sed -i -E "s/\"version\": \".+\"/\"version\": \"${VERSION}\"/" ./projects/stream-chat-angular/package.json
 npm run build:prod