Bump actions/setup-go in the github-actions group across 1 directory

Bumps the github-actions group with 1 update in the / directory: [actions/setup-go](https://github.com/actions/setup-go).


Updates `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
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/codeql-analysis.yaml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - name: Initialize CodeQL

.github/workflows/lint.yaml

@@ -16,7 +16,7 @@ jobs:
       checks: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - uses: golangci/golangci-lint-action@v8

.github/workflows/test.yaml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - name: Ensure go.mod is tidy
@@ -34,7 +34,7 @@ jobs:
         kubernetes: ['default']
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - run: go mod download
@@ -61,7 +61,7 @@ jobs:
         kubernetes: [v1.33, v1.28]
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - name: Start k3s
@@ -95,7 +95,7 @@ jobs:
         kubernetes: [v1.33, v1.28]
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
 
       - name: Start k3s
@@ -175,7 +175,7 @@ jobs:
       - kubernetes-k3d
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
       - uses: actions/download-artifact@v5
         with: { path: download }

.github/workflows/trivy.yaml

@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@v5
 
       # Trivy needs a populated Go module cache to detect Go module licenses.
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with: { go-version: stable }
       - run: go mod download