fix: gh actions that run on main (#3550)

## About the changes
These also need to be migrated to node 18

.github/workflows/build_coverage.yaml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
     services:
       # Label used to access the service container
       postgres:

.github/workflows/update_contributors.yaml

@@ -9,25 +9,25 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Use Node.js 16.x
-      uses: actions/setup-node@v3
-      with:
-        node-version: 16.x
-    - uses: actions/checkout@master
-      with:
-        repository: sighphyre/svg-contributors
-        path: './svg-contributors'
-    - name: Create Contributors Image
-      run: |
-        npm install --prefix ./svg-contributors
-        ./svg-contributors/bin/contributors -o unleash -n unleash -l 500
-    - uses: aws-actions/configure-aws-credentials@v1
-      with:
+      - uses: actions/checkout@v3
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+      - uses: actions/checkout@master
+        with:
+          repository: sighphyre/svg-contributors
+          path: './svg-contributors'
+      - name: Create Contributors Image
+        run: |
+          npm install --prefix ./svg-contributors
+          ./svg-contributors/bin/contributors -o unleash -n unleash -l 500
+      - uses: aws-actions/configure-aws-credentials@v1
+        with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: ${{ secrets.AWS_DEFAULT_REGION }}
-    - name: Publish static assets to S3
-      run: |
-        ls -l
-        aws s3 cp contributors.svg s3://getunleash-static/docs-assets/contributors.svg
+      - name: Publish static assets to S3
+        run: |
+          ls -l
+          aws s3 cp contributors.svg s3://getunleash-static/docs-assets/contributors.svg