Bump martincostello/update-dotnet-sdk from 3.6.0 to 3.8.0 (#3373)

Bumps [martincostello/update-dotnet-sdk](https://github.com/martincostello/update-dotnet-sdk) from 3.6.0 to 3.8.0.
- [Release notes](https://github.com/martincostello/update-dotnet-sdk/releases)
- [Commits](martincostello/update-dotnet-sdk@ef7653e...444b0c9)

---
updated-dependencies:
- dependency-name: martincostello/update-dotnet-sdk
  dependency-version: 3.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/update-dotnet-sdk.yml

@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   update-dotnet-sdk:
-    uses: martincostello/update-dotnet-sdk/.github/workflows/update-dotnet-sdk.yml@ef7653ed976c929ef8c6c6bd31c45b4675c2de71 # v3.6.0
+    uses: martincostello/update-dotnet-sdk/.github/workflows/update-dotnet-sdk.yml@444b0c97f151b01c8d0646ffd0187c4787c17aeb # v3.8.0
     permissions:
       contents: write
       pull-requests: write