chore: bump actions/checkout from 3 to 4 (#1326)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/calc.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust stable toolchain
         uses: actions-rs/[email protected]

.github/workflows/pr.yml

@@ -16,7 +16,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Checkout files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Node v18
         uses: actions/setup-node@v3
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Node v18
         uses: actions/setup-node@v3
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Node v18
         uses: actions/setup-node@v3
@@ -108,7 +108,7 @@ jobs:
 
     steps:
       - name: Checkout files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Node v18
         uses: actions/setup-node@v3
@@ -147,7 +147,7 @@ jobs:
         node-version: [18.x]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with: