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] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-wasm_of_ocaml.yml

@@ -51,7 +51,7 @@ jobs:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: wasm_of_ocaml
 
@@ -66,7 +66,7 @@ jobs:
         run: opam install --fake binaryen-bin
 
       - name: Checkout Jane Street opam repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: janestreet/opam-repository
           ref: feaf8f831051fd5f316963b28efd728cf0b0eca1

.github/workflows/build.yml

@@ -98,7 +98,7 @@ jobs:
           sudo aptitude -o Acquire::Retries=30 install gcc-multilib g++-multilib pkg-config libgmp-dev libgmp-dev:i386 libx11-dev:i386 -y
 
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set-up Node.js
         uses: actions/setup-node@v4

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3
         with:
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3
         with:
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set-up Biome
         uses: biomejs/setup-biome@v2
       - name: Run biome