Roll luci-go from b59fef98d621 to 173bcf1c0eac (2 revisions)

https://chromium.googlesource.com/infra/luci/luci-go.git/+log/b59fef98d621..173bcf1c0eac

2024-06-24 meiring@google.com [Analysis] Implement merging backfill.
2024-06-24 meiring@google.com [Analysis] Update ingestion criteria to only ingest export roots.

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

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https://issues.skia.org/issues/new?component=1389291&template=1850622

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Tbr: iannucci@google.com
Change-Id: I2e7955aa841c452cb5c6dd6c3afa32d42afade16
Reviewed-on: https://chromium-review.googlesource.com/c/infra/infra/+/5650494
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#66365}
diff --git a/DEPS b/DEPS
index 6c96d75..b9d7c42 100644
--- a/DEPS
+++ b/DEPS
@@ -42,7 +42,7 @@
 
   "go/src/go.chromium.org/luci":
      "{chromium_git}/infra/luci/luci-go@" +
-     "b59fef98d621bb84e37187aa2e25d681e7339726",
+     "173bcf1c0eac429ab0c02adab0f0f98023037922",
 
   "go/src/go.chromium.org/chromiumos/config":
      "{chromium_git}/chromiumos/config@" +
diff --git a/go/src/go.chromium.org/luci b/go/src/go.chromium.org/luci
index b59fef9..173bcf1 160000
--- a/go/src/go.chromium.org/luci
+++ b/go/src/go.chromium.org/luci
@@ -1 +1 @@
-Subproject commit b59fef98d621bb84e37187aa2e25d681e7339726
+Subproject commit 173bcf1c0eac429ab0c02adab0f0f98023037922