chore(deps): update google/cloud-sdk docker tag to v464 (#319)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.tool-versions

@@ -1,5 +1,5 @@
 concourse 7.11.1
-gcloud 462.0.1
+gcloud 464.0.0
 helm 3.14.0
 kapp 0.60.0
 kubectl 1.29.1