Bump actions/setup-node from v1 to v2.1.5

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.1.5.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...46071b5)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/chrome.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.1.5
       with:
         node-version: ${{ matrix.node }}
     - uses: actions/checkout@v2

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.1.5
       with:
         node-version: ${{ matrix.node }}
     - uses: actions/checkout@v2

.github/workflows/eslint.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.1.5
         with:
           node-version: ${{ matrix.node }}
       - name: Install dependencies

.github/workflows/firefox.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.1.5
       with:
         node-version: ${{ matrix.node }}
     - uses: actions/checkout@v2

.github/workflows/style.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setup node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.1.5
       with:
         node-version: ${{ matrix.node }}
     - uses: actions/checkout@v2