Update github actions (#127)

Blindly following best-practices from:
- https://github.com/uber-go/zap/pull/1434/files
- https://github.com/uber-go/goleak/pull/122/files

.github/workflows/benchmark.yaml

@@ -13,8 +13,8 @@ jobs:
     name: Benchmark
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
         with:
           go-version-file: 'go.mod'
           check-latest: true

.github/workflows/cover.yaml

@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go }}
           cache-dependency-path: '**/go.sum'
@@ -29,4 +29,6 @@ jobs:
         run: make cover
 
       - name: Upload coverage to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/test.yaml

@@ -20,10 +20,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go }}
           cache-dependency-path: '**/go.sum'
@@ -44,7 +44,9 @@ jobs:
 
       - name: Upload coverage to codecov.io
         if: matrix.latest
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
       # TODO decide whether we want to benchmark on every run.
       #  name: Benchmark