Update GitHub Actions workflows. (#616)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit d2d946e761bab19abc5e5a598d44cf709dae77e9.

scripts/get-versions.sh

@@ -34,8 +34,8 @@ if [[ -z "${raw_version:-}" ]]; then
   exit 1
 fi
 
-echo "MISE_PULUMI_VERSION=$raw_version"
-export MISE_PULUMI_VERSION=$raw_version
+echo "PULUMI_VERSION_MISE=$raw_version"
+export PULUMI_VERSION_MISE=$raw_version
 
 # Prefer the toolchain directive if present, otherwise fall back to the `go` version line
 go_toolchain=$(awk '/^toolchain[[:space:]]+go[0-9]/{ print $2; exit }' "$gomod")
@@ -51,5 +51,5 @@ if [[ -z "${go_version:-}" ]]; then
   exit 1
 fi
 
-echo "MISE_GO_VERSION=$go_version"
-export MISE_GO_VERSION=$go_version
+echo "GO_VERSION_MISE=$go_version"
+export GO_VERSION_MISE=$go_version