Merge pull request #948 from paulyuk/release-1.12

Updating tests to use dapr/dapr RC6

Author: paulyuk

.github/env/global.env

@@ -1,5 +1,5 @@
       DAPR_CLI_VERSION: 1.12.0-rc.4
-      DAPR_RUNTIME_VERSION: 1.12.0-rc.5
+      DAPR_RUNTIME_VERSION: 1.12.0-rc.6
       DAPR_INSTALL_URL: https://raw.githubusercontent.com/dapr/cli/v${DAPR_CLI_VERSION}/install/
       DAPR_DEFAULT_IMAGE_REGISTRY: ghcr
       MACOS_PYTHON_VERSION: 3.10