cos-tools: Release cos-gpu-installer v2.7.4

BUG=b/522034439
TEST=cloudbuild
RELEASE_NOTE=None.

Change-Id: Ifa8656bb89457fcb7ff5600241be04ca9827276d
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/159864
Cloud-Build: 228075978874@cloudbuild.gserviceaccount.com <228075978874@cloudbuild.gserviceaccount.com>
Tested-by: Angel Adetula <angeladetula@google.com>
Reviewed-by: Miri Amarilio <mirilio@google.com>

release/release-versions.yaml

diff --git a/release/release-versions.yaml b/release/release-versions.yaml
index b7b48c6..d620df4 100644
--- a/release/release-versions.yaml
+++ b/release/release-versions.yaml
@@ -28,9 +28,9 @@
   multi-arch: true
 - staging_container_name: "cos-gpu-installer"
   release_container_name: "cos-gpu-installer"
-  build_tag: "95117d8-9ca9186a-bc34-4e1b-aef1-71aa378b9596"
+  build_tag: "75424b4-cfc574b0-2b94-4d4a-84ef-04c9fb21786d"
   release_tags:
-    - "v2.7.3"
+    - "v2.7.4"
   multi-arch: true
 - staging_container_name: "cos-gpu-driver-builder"
   release_container_name: "cos-gpu-driver-builder"