[main] (deps): Bump dotnet/arcade (#63739)

Bumps [dotnet/arcade](https://github.com/dotnet/arcade) from eaeefbd9f29d54c1543459f7624aecddb06d9c7e to 9c673b0425a6bcd87a5c7c63b46fe86d25edd4e7.
- [Commits](dotnet/arcade@eaeefbd...9c673b0)

---
updated-dependencies:
- dependency-name: dotnet/arcade
  dependency-version: 9c673b0425a6bcd87a5c7c63b46fe86d25edd4e7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/backport.yml

@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   backport:
-    uses: dotnet/arcade/.github/workflows/backport-base.yml@eaeefbd9f29d54c1543459f7624aecddb06d9c7e # 2025-01-13
+    uses: dotnet/arcade/.github/workflows/backport-base.yml@9c673b0425a6bcd87a5c7c63b46fe86d25edd4e7 # 2025-01-13
     with:
       pr_description_template: |
         Backport of #%source_pr_number% to %target_branch%

.github/workflows/inter-branch-merge-flow.yml

@@ -11,4 +11,4 @@ permissions:
 
 jobs:
   Merge:
-    uses: dotnet/arcade/.github/workflows/inter-branch-merge-base.yml@eaeefbd9f29d54c1543459f7624aecddb06d9c7e # 2024-06-24
+    uses: dotnet/arcade/.github/workflows/inter-branch-merge-base.yml@9c673b0425a6bcd87a5c7c63b46fe86d25edd4e7 # 2024-06-24