[main] (deps): Bump dotnet/arcade/.github/workflows/backport-base.yml (#64364)

Bumps [dotnet/arcade/.github/workflows/backport-base.yml](https://github.com/dotnet/arcade) from 7d717a49d570577936361c14de38bf61271aa274 to f7629bdbfe6a8a4e7a31dede65a392e1e31815b0.
- [Commits](dotnet/arcade@7d717a4...f7629bd)

---
updated-dependencies:
- dependency-name: dotnet/arcade/.github/workflows/backport-base.yml
  dependency-version: f7629bdbfe6a8a4e7a31dede65a392e1e31815b0
  dependency-type: direct:production
...

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.github/workflows/backport.yml

@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   backport:
-    uses: dotnet/arcade/.github/workflows/backport-base.yml@7d717a49d570577936361c14de38bf61271aa274 # 2025-01-13
+    uses: dotnet/arcade/.github/workflows/backport-base.yml@f7629bdbfe6a8a4e7a31dede65a392e1e31815b0 # 2025-01-13
     with:
       pr_description_template: |
         Backport of #%source_pr_number% to %target_branch%