Update GitHub Actions

Author: DimitriPapadopoulos

.github/workflows/bench_pr.yml

@@ -8,13 +8,13 @@ jobs:
       GOBIN: /home/runner/go
     steps:
     - name: Set up Go 1.18
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v4
       with:
         go-version: 1.18
       id: go
 
     - name: Check out code 
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
 
     - name: Get dependencies
       run: | 

.github/workflows/bench_push.yml

@@ -8,13 +8,13 @@ jobs:
       GOBIN: /home/runner/go
     steps:
     - name: Set up Go 1.18
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v4
       with:
         go-version: 1.18
       id: go
 
     - name: Check out code 
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
 
     - name: Get dependencies
       run: | 

.github/workflows/go.yml

@@ -8,13 +8,13 @@ jobs:
     steps:
 
     - name: Set up Go 1.18
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v4
       with:
         go-version: 1.18
       id: go
 
     - name: Check out code 
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
 
     - name: Get dependencies
       run: |