Bump GitHub workflow actions

.github/workflows/check.yml

@@ -10,9 +10,9 @@ jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Go 1.19
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: 1.19
       - name: Test

.github/workflows/diff.yml

@@ -9,18 +9,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Go 1.19
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: 1.19
       - name: Install benchstat
         run: go install golang.org/x/perf/cmd/benchstat@latest
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Benchmark new code
         run: go test -bench=. -benchmem -run=^$ -count=10 -timeout=30m | tee /tmp/new.txt
 
       - name: Checkout master
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: master
       - name: Benchmark master

.github/workflows/test.yml

@@ -13,9 +13,9 @@ jobs:
       matrix:
         go-versions: [ '1.13', '1.14', '1.15', '1.16' , '1.17', '1.18', '1.19', '1.20', '1.21' ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Go ${{ matrix.go-version }}
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go-version }}
       - name: Test