Prepare for v3.121.0 release (#16430)

Tentative changelog:

### Features

- [sdk/go] Suggest valid attributes with similar names to unrecognised
ones when validating project definitions
  [#16097](#16097)

- [cli/new] Allow passing runtime options as args in pulumi new
  [#16346](#16346)

- [cli/new] Query language runtime for options during “pulumi new”
  [#16346](#16346)

- [sdk/nodejs] Detect pnpm workspaces when running pulumi install
  [#15525](#15525)

- [sdk/nodejs] Add options to Workspace::removeStack()
  [#16333](#16333)

- [sdk/python] Automatically convert requirements.txt to pyproject.toml
when using Poetry
  [#16346](#16346)

- [sdkgen/python] Generate TypedDict types for inputs
  [#15957](#15957)


### Bug Fixes

- [engine] Fix a panic when ignoring wildcard values with arrays of
different length
  [#16406](#16406)

- [cli/engine] Fix --continue-on-error running indefinitely when a
resource fails to be created or updated
  [#16371](#16371)

- [cli/plugin] Fix plugin install command when plugin type is tool
  [#16407](#16407)

- [sdk/python] Don't incorrectly emit deprecation warnings for
non-deprecated properties
  [#16400](#16400)

- [sdk/python] Handle extra CLI arguments passed policy packs plugins
  [#16402](#16402)

- [sdk/python] Add VIRTUAL_ENV environment variable when running inside
a virtual environment


### Miscellaneous

- [cli/new] Instruct the user to use 'pulumi install' when using
--generate-only

sdk/.version

@@ -1 +1 @@
-3.120.1
+3.121.0

sdk/nodejs/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@pulumi/pulumi",
-    "version": "3.120.1",
+    "version": "3.121.0",
     "description": "Pulumi's Node.js SDK",
     "license": "Apache-2.0",
     "repository": {

sdk/nodejs/version.ts

@@ -12,4 +12,4 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-export const version = "3.120.1";
+export const version = "3.121.0";

sdk/python/lib/pulumi/_version.py

@@ -14,7 +14,7 @@
 
 from semver import VersionInfo
 
-_VERSION = "3.120.1"
+_VERSION = "3.121.0"
 
 version = VersionInfo.parse(_VERSION)
 """Version is the Pulumi SDK's release version."""

sdk/python/lib/setup.py

@@ -17,7 +17,7 @@
 import os
 from setuptools import find_packages, setup
 
-VERSION = "3.120.1"
+VERSION = "3.121.0"
 
 def readme():
     try: