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/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     timeout-minutes: 20
     steps:
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version: 1.24.x
     - uses: actions/checkout@v4
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: src/github.com/containerd/fuse-overlayfs-snapshotter
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       - uses: golangci/golangci-lint-action@v8
@@ -57,7 +57,7 @@ jobs:
     runs-on: ubuntu-22.04
     timeout-minutes: 30
     steps:
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version: 1.24.x
     - uses: actions/checkout@v4

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       id-token: write  # for provenances
       attestations: write  # for provenances
     steps:
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version: 1.24.x
     - uses: actions/checkout@v4