Use Upgrade actions/checkout to v3

Signed-off-by: Yuki Okushi <[email protected]>

Author: JohnTitor

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
           - os: windows-latest
             rust: stable-x86_64-gnu
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust (rustup)
@@ -118,7 +118,7 @@ jobs:
     name: Windows AArch64
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust
@@ -141,7 +141,7 @@ jobs:
         - target: x86_64-apple-ios
           sdk: iphonesimulator
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - run: rustup target add ${{ matrix.target }}
@@ -174,7 +174,7 @@ jobs:
         - i686-linux-android
         - x86_64-linux-android
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust
@@ -189,7 +189,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust
@@ -208,7 +208,7 @@ jobs:
         - x86_64-fortanix-unknown-sgx
         - x86_64-unknown-illumos
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust
@@ -223,7 +223,7 @@ jobs:
     name: MSRV
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Rust
@@ -234,7 +234,7 @@ jobs:
     name: Miri
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Install Miri