Merge pull request #1443 from guardian/migrate-node-version

update node version to 14.16

Author: marjisound

.github/workflows/chromatic.yml

@@ -27,9 +27,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v1
-            - uses: actions/setup-node@v2.1.5
-              with:
-                  node-version: 12
+            - uses: guardian/actions-setup-node@main
             - uses: actions/cache@v2
               with:
                   path: ~/.npm

.github/workflows/nodejs.yml

@@ -14,9 +14,7 @@ jobs:
 
         steps:
             - uses: actions/checkout@v1
-            - uses: actions/setup-node@v2.1.5
-              with:
-                  node-version: 12
+            - uses: guardian/actions-setup-node@main
             - uses: actions/cache@v2
               with:
                   path: ~/.npm

.github/workflows/pr-deployment.yml

@@ -13,9 +13,7 @@ jobs:
 
         steps:
             - uses: actions/checkout@v2
-            - uses: actions/setup-node@v2.1.5
-              with:
-                  node-version: 12
+            - uses: guardian/actions-setup-node@main
             - uses: actions/cache@v2
               with:
                   path: ~/.npm

.nvmrc

@@ -1 +1 @@
-12.13.0
+14.16