[main] (deps): Bump dotnet/arcade/.github/workflows/backport-base.yml (#64275)

Bumps [dotnet/arcade/.github/workflows/backport-base.yml](https://github.com/dotnet/arcade) from 9a55ea0e91e397758d63be2c553816a159aca271 to 7d717a49d570577936361c14de38bf61271aa274.
- [Commits](dotnet/arcade@9a55ea0...7d717a4)

---
updated-dependencies:
- dependency-name: dotnet/arcade/.github/workflows/backport-base.yml
  dependency-version: 7d717a49d570577936361c14de38bf61271aa274
  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@9a55ea0e91e397758d63be2c553816a159aca271 # 2025-01-13
+    uses: dotnet/arcade/.github/workflows/backport-base.yml@7d717a49d570577936361c14de38bf61271aa274 # 2025-01-13
     with:
       pr_description_template: |
         Backport of #%source_pr_number% to %target_branch%