Update meta.yaml

Author: Kelvinrr

recipe/meta.yaml

@@ -23,9 +23,9 @@ source:
   - folder: submodules/hippomocks
     url: https://github.com/dascandy/hippomocks/archive/10960d027b398444ec3ec6ce2487de3db0283ff8.zip
     sha256: a4efc07eacdc35107039bd3b7b491b9fc5f95d4dabb37de83a2b0642c7231fe8
-  - folder: submodules/redis-plus-plus
-    url: https://github.com/sewenew/redis-plus-plus/archive/48e178c09a2fbd10d3b991e54b8a71b70791b933.zip
-    sha256: 352d6d98e738429a35d0b5f4ef89b42ff4f97167dce97a0067aefa97fb73e243
+  - folder: submodules/BTree
+    url: https://github.com/frozenca/BTree/archive/ff6881996ff3c46ded564f92bc589fcbd218df00.zip
+    sha256: 1ca35dc6898f36711219d92c9d0763ff187af9b9d1ae9385377322b45dfb3f4e
 
 build:
   number: 0
@@ -66,6 +66,7 @@ requirements:
     - cereal
     - highfive
     - spdlog
+    - uvicorn
 
 test:
   imports: