Update Cypress base image

This now contains ca-certificates.

Author: badeball

.github/workflows/build.yml

@@ -19,15 +19,11 @@ jobs:
     needs: prepare-versions
     runs-on: ubuntu-20.04
     container:
-      image: cypress/base:18.16.0
+      image: cypress/base:20.5.0
     strategy:
       matrix:
         cypress-version: ${{fromJson(needs.prepare-versions.outputs.matrix)}}
     steps:
-      - name: Update certificates
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends ca-certificates
       - name: Checkout
         uses: actions/checkout@v3
       - name: Cache NPM modules

.github/workflows/examples-branch.yml

@@ -25,12 +25,8 @@ jobs:
   build-package:
     runs-on: ubuntu-20.04
     container:
-      image: cypress/base:18.16.0
+      image: cypress/base:20.5.0
     steps:
-      - name: Update certificates
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends ca-certificates
       - name: Checkout
         uses: actions/checkout@v3
       - name: Cache NPM modules
@@ -66,17 +62,13 @@ jobs:
      - build-package
     runs-on: ubuntu-20.04
     container:
-      image: cypress/base:18.16.0
+      image: cypress/base:20.5.0
     strategy:
       matrix:
         example: ${{fromJson(needs.find-examples.outputs.matrix)}}
     env:
       NPM_CONFIG_PACKAGE_LOCK: "false"
     steps:
-      - name: Update certificates
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends ca-certificates
       - name: Checkout
         uses: actions/checkout@v3
       - name: Cache NPM modules

.github/workflows/examples-master.yml

@@ -26,17 +26,13 @@ jobs:
     needs: find-examples
     runs-on: ubuntu-20.04
     container:
-      image: cypress/base:18.16.0
+      image: cypress/base:20.5.0
     strategy:
       matrix:
         example: ${{fromJson(needs.find-examples.outputs.matrix)}}
     env:
       NPM_CONFIG_PACKAGE_LOCK: "false"
     steps:
-      - name: Update certificates
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends ca-certificates
       - name: Checkout
         uses: actions/checkout@v3
       - name: Cache NPM modules