Update to github actions checkout v3

Author: marmeladema

.github/workflows/check.yml

@@ -5,7 +5,7 @@ jobs:
     name: x86_64 stable
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install stable toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -34,7 +34,7 @@ jobs:
     name: x86_64 nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install nightly toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -65,7 +65,7 @@ jobs:
     name: x86_64 sanitizer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install nightly toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -85,7 +85,7 @@ jobs:
     name: wasm32 stable
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install stable toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -120,7 +120,7 @@ jobs:
     name: wasm32 nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install nightly toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -156,7 +156,7 @@ jobs:
     name: aarch64 nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install cross-compilation toolchain
         run: |
           sudo apt update
@@ -187,7 +187,7 @@ jobs:
       CXX: clang++
       LLVM_CONFIG_PATH: /usr/lib/llvm-9/bin/llvm-config
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: true
       - name: Install stable toolchain

.github/workflows/publish.yml

@@ -7,7 +7,7 @@ jobs:
     name: Cargo
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install stable toolchain
         uses: actions-rs/toolchain@v1
       - name: Check version number