ci: bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/baseimages.yaml

@@ -15,7 +15,7 @@ jobs:
   render:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Set up Go

.github/workflows/codeql.yaml

@@ -38,7 +38,7 @@ jobs:
           go-version: "1.23"
           check-latest: true
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:

.github/workflows/crdgen.yaml

@@ -19,7 +19,7 @@ jobs:
     name: CRDs are Generated
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - uses: actions/setup-go@v5

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

@@ -22,7 +22,7 @@ jobs:
           ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - uses: actions/setup-go@v5
         with:

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

@@ -29,7 +29,7 @@ jobs:
           ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - uses: actions/setup-go@v5
         with:

.github/workflows/golangci.yaml

@@ -15,7 +15,7 @@ jobs:
     name: Generate BPF Handling Code
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Go
         uses: actions/setup-go@v5
@@ -43,7 +43,7 @@ jobs:
     - uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Download generated code