chore(deps): bump actions/checkout from 2.3.4 to 3.1.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 3.1.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...v3.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.PLUTUS_OPS_GITHUB_TOKEN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Inject slug/short variables
         uses: rlespinasse/[email protected]

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.1.0
       - uses: cachix/install-nix-action@v16
         with:
           nix_path: nixpkgs=channel:nixos-unstable
@@ -41,7 +41,7 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.1.0
       - uses: cachix/install-nix-action@v16
         with:
           nix_path: nixpkgs=channel:nixos-unstable
@@ -62,7 +62,7 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.1.0
       - uses: cachix/install-nix-action@v16
         with:
           nix_path: nixpkgs=channel:nixos-unstable
@@ -83,7 +83,7 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.1.0
       - uses: cachix/install-nix-action@v16
         with:
           nix_path: nixpkgs=channel:nixos-unstable