Roll CAS Client from e118d99ee508 to 5a9e45463a87

https://chromium.googlesource.com/infra/infra.git/+log/e118d99ee508..5a9e45463a87

2026-03-03 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2026-03-03 chromium-autoroll@skia-public.iam.gserviceaccount.com Roll luci-go from 459450785fad to 68d68ac1167f (1 revision)
2026-03-03 lottechan@google.com ctpv2: Add primary build details to RDB invocation
2026-03-03 dlf@google.com Remove flaky test and update URL method to return better errors
2026-03-03 chromium-autoroll@skia-public.iam.gserviceaccount.com Roll luci-go from ebb9c8ce9b78 to 459450785fad (5 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/cas-recipes-py
Please CC iannucci@google.com,peepsi-tod-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: iannucci@google.com
Change-Id: I565ce3798bac7b571c78915d2b0265eee693c88e
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/recipes-py/+/7625900
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/recipe_modules/cas/resources/infra.sha1 b/recipe_modules/cas/resources/infra.sha1
index d998e78..e5fa311 100644
--- a/recipe_modules/cas/resources/infra.sha1
+++ b/recipe_modules/cas/resources/infra.sha1
@@ -1 +1 @@
-git_revision:1959c0f345fc4fc01903ce8437d507d9cf94e390
+git_revision:5a9e45463a8770577f78029c5aed3fa16690b4e1