ci: use v2 for github actions checkout (#3589)

Author: air1one

.github/workflows/benchmark.yml

@@ -17,7 +17,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:

.github/workflows/functional.yml

@@ -28,7 +28,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -76,7 +76,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -124,7 +124,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -172,7 +172,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -220,7 +220,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -268,7 +268,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -316,7 +316,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -364,7 +364,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -412,7 +412,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -460,7 +460,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -508,7 +508,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -556,7 +556,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -604,7 +604,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -652,7 +652,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -700,7 +700,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -748,7 +748,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -796,7 +796,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -54,7 +54,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with:
@@ -92,7 +92,7 @@ jobs:
                 node-version: [12.x]
 
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v2
             - name: Cache node modules
               uses: actions/cache@v1
               with: