build(deps): Bump actions/setup-go from 5 to 6 (#2037)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/config-versions-lint.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Setup Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ env.GO_VERSION }}
     - name: Check config versions are continuous

.github/workflows/linter.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: '1.25.x'
       - name: golangci-lint

.github/workflows/misc.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Setup Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
           go-version: 1.25.x
           

.github/workflows/proto-lint.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.25.x
 

.github/workflows/tests.yml

@@ -72,7 +72,7 @@ jobs:
       uses: actions/checkout@v5
 
     - name: Setup Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ env.GO_VERSION }}