ci: bump actions/setup-go from 5 to 6 (#3998)

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/baseimages.yaml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version-file: go.mod
     - name: go env

.github/workflows/codeql.yaml

@@ -35,7 +35,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Setup go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
       - name: Initialize CodeQL

.github/workflows/crdgen.yaml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version-file: go.mod
     - name: Regenerate NodeNetworkConfig CRD

.github/workflows/cyclonus-netpol-extended-nightly-test.yaml

@@ -24,7 +24,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
 

.github/workflows/cyclonus-netpol-test.yaml

@@ -31,7 +31,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
 

.github/workflows/golangci.yaml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
 
@@ -42,7 +42,7 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version-file: go.mod
     - name: Download generated code