build(deps): bump actions/setup-go from 5 to 6 (#64)

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

Author: dependabot[bot]

.github/workflows/linux.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
       - name: Test

.github/workflows/linux_386.yml

@@ -12,7 +12,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '>=1.24.x'
       - name: Test 386

.github/workflows/macos.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
       - name: Test

.github/workflows/macos_arm64.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
       - name: Test

.github/workflows/windows.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
       - name: Test Race
@@ -45,7 +45,7 @@ jobs:
 #       with:
 #         distribution: Ubuntu-24.04
 #     - name: Set up Go
-#       uses: actions/setup-go@v5
+#       uses: actions/setup-go@v6
 #       with:
 #         go-version: ${{ matrix.go }}
 #     - name: Build Test