Prepare for v3.9.0 release
CHANGELOG
=========
+## 3.9.0 (2021-07-28)
+
+### Improvements
+
+- [sdk/go] - Add stack output helpers for numeric types.
+ [#7410](https://github.com/pulumi/pulumi/pull/7410)
+
+- [sdk/python] - Permit `Input[Resource]` values in `depends_on`.
+ [#7559](https://github.com/pulumi/pulumi/pull/7559)
+
+- [backend/filestate] - Allow pulumi stack ls to see all stacks regardless of passphrase.
+ [#7660](https://github.com/pulumi/pulumi/pull/7660)
+
+### Bug Fixes
+
+- [sdk/{go,python,nodejs}] - Rehydrate provider resources in `Construct`.
+ [#7624](https://github.com/pulumi/pulumi/pull/7624)
+
+- [engine] - Include children when targeting components.
+ [#7605](https://github.com/pulumi/pulumi/pull/7605)
+
+- [cli] - Restore passing log options to providers when `--logflow` is specified
+ https://github.com/pulumi/pulumi/pull/7640
+
+- [sdk/nodejs] - Fix `pulumi up --logflow` causing Node multi-lang components to hang
+ [#7644](https://github.com/pulumi/pulumi/pull/)
+
+- [sdk/{dotnet,python,nodejs}] - Set the package on DependencyProviderResource.
+ [#7630](https://github.com/pulumi/pulumi/pull/7630)
+
+
## 3.8.0 (2021-07-22)
### Improvements
