Update release metadata

Author: blink1073

.github/workflows/release.yml

@@ -21,7 +21,7 @@ defaults:
 env:
   # Changes per branch
   SILK_ASSET_GROUP: mongodb-go-driver-1.16
-  EVERGREEN_PROJECT: mongo-go-driver-release
+  EVERGREEN_PROJECT: mongo-go-driver-previous
 
 jobs:
   pre-publish: