Upgrade to electron@^19 (#5369)

* Upgrade to use electron 19.0.4

- Update documentation

- Updated disturl in .yarnrc to fix build issue

- Remove use of abort-controller package

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Remove support for webview tags

Signed-off-by: Sebastian Malton <sebastian@malton.name>

Signed-off-by: Sebastian Malton <sebastian@malton.name>

.github/workflows/mkdocs-manual.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
         with:
-          python-version: '3.x'
+          python-version: "3.x"
 
       - name: Install dependencies
         run: |
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-          ref: '${{ github.event.inputs.version }}'
+          ref: "${{ github.event.inputs.version }}"
 
       - name: Using Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
@@ -43,8 +43,8 @@ jobs:
       - name: Checkout master branch from lens
         uses: actions/checkout@v2
         with:
-          path: 'master'
-          ref: 'master'
+          path: "master"
+          ref: "master"
 
       - name: Bring in latest mkdocs.yml from master
         run: |