CI: Move to latest Ubuntu "Jammy" tag

Move to the latest "Jammy" tag from Ubuntu.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index aff6a5c..8f488a0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@
 
 # Grab our configured image.  The source for this is found
 # in the u-boot tree at tools/docker/Dockerfile
-image: ${MIRROR_DOCKER}/trini/u-boot-gitlab-ci-runner:jammy-20230624-20Jul2023
+image: ${MIRROR_DOCKER}/trini/u-boot-gitlab-ci-runner:jammy-20230804-25Aug2023
 
 # We run some tests in different order, to catch some failures quicker.
 stages: