Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/chart.yaml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: "src"
           fetch-depth: 0
 
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: "dest"
           ref: "gh-pages"

.github/workflows/lscr.yml

@@ -32,7 +32,7 @@ jobs:
     steps:
       # Get the repositery's code
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
@@ -93,7 +93,7 @@ jobs:
     steps:
       # Get the repositery's code
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       # Get the repositery's code
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action
       - name: Set up QEMU
@@ -101,7 +101,7 @@ jobs:
     steps:
       # Get the repositery's code
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action
       - name: Set up QEMU
@@ -169,7 +169,7 @@ jobs:
     steps:
       # Get the repositery's code
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action
       - name: Set up QEMU