[#1687] .github: Update actions to the latest version

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

.github/workflows/go.yml

@@ -20,15 +20,15 @@ jobs:
         go: [ '1.17.x', '1.18.x', '1.19.x' ]
     steps:
       - name: Setup go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
 
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Cache go mod
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ matrix.go }}-${{ hashFiles('**/go.sum') }}