crostini: Extend histogram expiry

Fixed: 341719230
Test: CQ
Change-Id: I09ff26561aff767516bd6f54f073d604aa2e6276
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5556654
Commit-Queue: Dennis Kempin <denniskempin@google.com>
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Auto-Submit: David Munro <davidmunro@google.com>
Cr-Commit-Position: refs/heads/main@{#1304423}
diff --git a/tools/metrics/histograms/metadata/crostini/histograms.xml b/tools/metrics/histograms/metadata/crostini/histograms.xml
index e1acd345..79f1565 100644
--- a/tools/metrics/histograms/metadata/crostini/histograms.xml
+++ b/tools/metrics/histograms/metadata/crostini/histograms.xml
@@ -550,7 +550,7 @@
 </histogram>
 
 <histogram name="Crostini.UninstallResult" enum="CrostiniUninstallResult"
-    expires_after="2024-11-03">
+    expires_after="2025-06-30">
   <owner>davidmunro@google.com</owner>
   <owner>clumptini@google.com</owner>
   <summary>
@@ -561,7 +561,7 @@
 </histogram>
 
 <histogram name="Crostini.UninstallResult.Reason" enum="CrostiniResult"
-    expires_after="2024-06-30">
+    expires_after="2025-06-30">
   <owner>timloh@google.com</owner>
   <owner>clumptini@google.com</owner>
   <summary>