ci: add ios lib build

Author: krichprollsch

.github/workflows/build.yml

@@ -175,3 +175,44 @@ jobs:
           allowUpdates: true
           artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
           tag: nightly
+
+  build-aarch64-ios:
+    env:
+      OS: ios
+      ARCH: aarch64
+      TARGET_ENVIRONMENT: simulator
+
+    # macos-15 runs on arm CPU. see
+    # https://github.com/actions/runner-images?tab=readme-ov-file
+    runs-on: macos-15
+    timeout-minutes: 15
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          # fetch submodules recusively, to get zig-js-runtime submodules also.
+          submodules: recursive
+
+      - uses: ./.github/actions/install
+        with:
+          os: ${{env.OS}}
+          arch: ${{env.ARCH}}
+
+      - name: zig build
+        run: zig build --release=safe -Doptimize=ReleaseSafe -Dgit_commit=$(git rev-parse --short ${{ github.sha }}) static-build
+
+      - name: Rename binary
+        run: mv zig-out/lib/liblightpanda.a liblightpanda-${{ env.ARCH }}-${{ env.OS }}.a
+
+      - name: upload on s3
+        run: |
+          export DIR=`git show --no-patch --no-notes --pretty='%cs_%h'`
+          aws s3 cp --storage-class=GLACIER_IR liblightpanda-${{ env.ARCH }}-${{ env.OS }}.a s3://lpd-nightly-build/${DIR}/liblightpanda-${{ env.ARCH }}-${{ env.OS }}.a
+
+      - name: Upload the build
+        uses: ncipollo/release-action@v1
+        with:
+          allowUpdates: true
+          artifacts: lightpanda-${{ env.ARCH }}-${{ env.OS }}
+          tag: nightly