Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
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/cargo-audit.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Run `cargo-audit`
         uses: actions-rs/audit-check@v1

.github/workflows/check-version-bumped-consensus.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: check-cargo-toml-version-bumped

.github/workflows/check-version-bumped-crypto.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: check-cargo-toml-version-bumped

.github/workflows/check-version-bumped-mock.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: check-cargo-toml-version-bumped

.github/workflows/check-version-bumped-rmc.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: check-cargo-toml-version-bumped

.github/workflows/check-version-bumped-types.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: check-cargo-toml-version-bumped

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     needs: lint
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: install rustup
         uses: actions-rs/toolchain@v1
       - name: check
@@ -42,7 +42,7 @@ jobs:
     needs: lint
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: install rustup
         uses: actions-rs/toolchain@v1
       - name: check
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: checkout the source code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: install rustup
         uses: actions-rs/toolchain@v1
         with:

.github/workflows/gh-pages.yml

@@ -12,7 +12,7 @@ jobs:
   deploy:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
         with:

.github/workflows/push-foundation-repo.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'Setheum-Labs/Stance'}}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
           ref: "main"