Merge branch 'update-thanos-tag-12.21.0-bb.1' into 'master'

thanos update to 12.21.0-bb.1

Closes big-bang/product/packages/thanos#33

See merge request !3718

chart/values.yaml

@@ -2000,12 +2000,12 @@ addons:
 
     git:
       repo: https://repo1.dso.mil/big-bang/product/packages/thanos.git
-      tag: "12.21.0-bb.0"
+      tag: "12.21.0-bb.1"
       path: "./chart"
     helmRepo:
       repoName: "registry1"
       chartName: "thanos"
-      tag: "12.21.0-bb.0"
+      tag: "12.21.0-bb.1"
 
     # -- Flux reconciliation overrides specifically for the Jaeger Package
     flux: {}