Use latest Go action in CI

Author: BooleanCat

.github/workflows/test.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-go@v2
+      - uses: actions/setup-go@v3
         with: { go-version: "1.18.3" }
       - run: make check
   test:
@@ -17,6 +17,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-go@v2
+      - uses: actions/setup-go@v3
         with: { go-version: "1.18.3" }
       - run: make test