[main] (deps): Bump dotnet/arcade/.github/workflows/backport-base.yml (#64664)

Bumps [dotnet/arcade/.github/workflows/backport-base.yml](https://github.com/dotnet/arcade) from 846929727a388f2b1fd3ccf21f67694f44b91b4d to 1c09acb26525da819530dd2678a0b7f62c35cbfd.
- [Commits](dotnet/arcade@8469297...1c09acb)

---
updated-dependencies:
- dependency-name: dotnet/arcade/.github/workflows/backport-base.yml
  dependency-version: 1c09acb26525da819530dd2678a0b7f62c35cbfd
  dependency-type: direct:production
...

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Author: dependabot[bot]

.github/workflows/backport.yml

@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   backport:
-    uses: dotnet/arcade/.github/workflows/backport-base.yml@846929727a388f2b1fd3ccf21f67694f44b91b4d # 2025-01-13
+    uses: dotnet/arcade/.github/workflows/backport-base.yml@1c09acb26525da819530dd2678a0b7f62c35cbfd # 2025-01-13
     with:
       pr_description_template: |
         Backport of #%source_pr_number% to %target_branch%