run examples on windows (#4437)

# Objective

- ~~Running examples on Linux in CI timeout~~Linux is back!
- But hey we can run examples on windows too!

## Solution

- Run examples on windows daily
- I also added a 30 minutes timeout so that when it explodes, it doesn't explodes in 6 hours (the default timeout)
- And simplified the linux examples by not requiring a custom feature set

.github/bors.toml

@@ -15,6 +15,8 @@ status = [
     "ci",
     "miri",
     "check-benches",
+    "build-and-install-on-iOS",
+    "run-examples-on-windows",
 ]
 
 use_squash_merge = true

.github/workflows/ci.yml

@@ -247,6 +247,7 @@ jobs:
 
   run-examples:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
     steps:
       - name: Install Bevy dependencies
         run: |
@@ -274,13 +275,13 @@ jobs:
           toolchain: stable
       - name: Build bevy
         run: |
-          cargo build --no-default-features --features "bevy_dynamic_plugin,bevy_gilrs,bevy_gltf,bevy_winit,render,png,hdr,x11,bevy_ci_testing,trace,trace_chrome,bevy_audio,vorbis"
+          cargo build --features "bevy_ci_testing,trace,trace_chrome"
       - name: Run examples
         run: |
           for example in .github/example-run/*.ron; do
             example_name=`basename $example .ron`
             echo "running $example_name - "`date`
-            time CI_TESTING_CONFIG=$example xvfb-run cargo run --example $example_name --no-default-features --features "bevy_dynamic_plugin,bevy_gilrs,bevy_gltf,bevy_winit,render,png,hdr,x11,bevy_ci_testing,trace,trace_chrome,bevy_audio,vorbis"
+            time CI_TESTING_CONFIG=$example xvfb-run cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
             sleep 10
           done
           zip traces.zip trace*.json

.github/workflows/validation-jobs.yml

@@ -0,0 +1,68 @@
+name: validation jobs
+
+on:
+  push:
+    branches:
+      - staging
+      - trying
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-and-install-on-iOS:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            target
+          key: ${{ runner.os }}-ios-install-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Add iOS targets
+        run: rustup target add aarch64-apple-ios x86_64-apple-ios
+
+      - name: Build and install iOS app in iOS Simulator.
+        run: cd examples/ios && make install
+
+
+  run-examples-on-windows:
+    runs-on: windows-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-windows-run-examples-${{ hashFiles('**/Cargo.toml') }}
+
+      - name: Build bevy
+        run: |
+          cargo build --features "bevy_ci_testing"
+
+      - name: Run examples
+        shell: bash
+        run: |
+          for example in .github/example-run/*.ron; do
+            example_name=`basename $example .ron`
+            echo "running $example_name - "`date`
+            time CI_TESTING_CONFIG=$example cargo run --example $example_name --features "bevy_ci_testing"
+            sleep 10
+          done