[DOWNSTREAM TEST] Update GitHub Actions workflows. (#813)

This PR was automatically generated by the pull-request workflow in the
pulumi/ci-mgmt repo, from commit
4ad34926379612ceb435a58e8e55a7df83813669.

Author: pulumi-bot

.config/mise.toml

@@ -8,7 +8,7 @@ PULUMI_HOME = "{{config_root}}/.pulumi"
 [tools]
 
 # Runtimes
-# TODO: we may not need `get_env` once https://github.com/jdx/mise/discussions/6339 is fixed
+# TODO: we may not need 'get_env' once https://github.com/jdx/mise/discussions/6339 is fixed
 go = "{{ get_env(name='GO_VERSION_MISE', default='latest') }}"
 node = '20.19.5'
 python = '3.11.8'
@@ -18,12 +18,12 @@ java = 'corretto-11'
 
 # Executable tools
 pulumi = "{{ get_env(name='PULUMI_VERSION_MISE', default='latest') }}"
-"github:pulumi/pulumictl" = 'latest'
-"github:pulumi/schema-tools" = "latest"
-gradle = '7.6'
+"github:pulumi/pulumictl" = '0.0.50'
+"github:pulumi/schema-tools" = "0.6.0"
+"aqua:gradle/gradle-distributions" = '7.6.6'
 golangci-lint = "1.64.8" # See note about about overrides if you need to customize this.
 "npm:yarn" = "1.22.22"
 
 [settings]
 experimental = true # Required for Go binaries (e.g. pulumictl).
-lockfile = true
+lockfile = false