Update github actions to more recent version of checkout action

Author: dmakarov

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
           os: macos-latest
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - if: startsWith(matrix.os, 'ubuntu')
       run: |
@@ -40,7 +40,7 @@ jobs:
     - run: mv target/release/sys sys-${{ matrix.target }}
     - run: mv target/release/sys-lend sys-lend-${{ matrix.target }}
 
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v3
       with:
         name: ${{ matrix.target }}
         path: |

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: kenchan0130/actions-system-info@master
       id: system-info