build(deps): bump actions/setup-go from 5 to 6

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/golangci-lint.yaml

@@ -16,7 +16,7 @@ jobs:
           sudo apt-get --allow-releaseinfo-change update
           sudo apt-get install -y libgtk-3-dev libasound2-dev libxxf86vm-dev
       - name: Set up Go environment
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.24.x'
       - uses: actions/checkout@v5

.github/workflows/test.yaml

@@ -42,7 +42,7 @@ jobs:
           sudo apt-get --allow-releaseinfo-change update
           sudo apt-get install -y libgtk-3-dev libasound2-dev libxxf86vm-dev
       - name: Set up Go environment
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.24.x'
       - name: Checkout out source code