Bump follow-redirects from 1.14.9 to 1.15.4 in /demo

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Run tests
       working-directory: ./test
       run: |

.github/workflows/deploy.yml

@@ -10,12 +10,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Build demo
       working-directory: ./demo
       run: |
-        rustup toolchain add nightly-2022-04-07
-        rustup component add rust-src --toolchain nightly-2022-04-07
+        rustup toolchain add nightly-2022-12-12
+        rustup component add rust-src --toolchain nightly-2022-12-12
         npm ci
         npm run build
     - name: Deploy 🚀