Prepare for v2.16.1 release (#5996)

.github/workflows/run-build-and-acceptance-tests.yml

@@ -147,6 +147,8 @@ jobs:
       - name: Fetch Tags
         run: |
           cd ./src/github.com/${{ github.repository }} && git fetch --quiet --prune --unshallow --tags
+      - name: Clean
+        run: dotnet nuget locals all --clear
       - name: Get dependencies
         run: |
           cd src\github.com\${{ github.repository }}

CHANGELOG.md

@@ -3,6 +3,8 @@ CHANGELOG
 
 ## HEAD (Unreleased)
 
+## 2.16.1 (2020-12-22)
+
 - Fix a panic due to unsafe concurrent map access.
   [#5995](https://github.com/pulumi/pulumi/pull/5995)