chore: update readme to latest expo cli and node (#77)

Author: byCedric

README.md

@@ -52,9 +52,6 @@ variable              | default  | description
 
 > It's also recommended to set the `expo-version` to avoid breaking changes when a new major version is released.
 
-> `expo-token` is available from Expo CLI `3.25.0`.
-
-
 ## Example workflows
 
 Before you dive into the workflow examples, you should know the basics of GitHub Actions.
@@ -87,10 +84,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
           expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
           expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
       - run: yarn install
@@ -119,10 +116,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
           expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
           expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
           expo-cache: true
@@ -147,10 +144,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
           expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
           expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
       - run: yarn install
@@ -187,7 +184,7 @@ jobs:
           node-version: ${{ matrix.node }}
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
       - run: yarn install
       - run: yarn test
       - run: expo doctor
@@ -211,10 +208,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
       - run: yarn install
       - run: yarn test
       - run: expo build:web
@@ -239,10 +236,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 14.x
       - uses: expo/expo-github-action@v5
         with:
-          expo-version: 3.x
+          expo-version: 4.x
           expo-token: ${{ secrets.EXPO_TOKEN }}
       - run: yarn install
       - run: expo publish