Wire Forge-native release infrastructure

.forgejo/workflows/build-android.yml

@@ -0,0 +1,74 @@
+name: "Build: Android"
+run-name: "Build: Android (${{ github.ref_name }})"
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - ".forgejo/workflows/build-android.yml"
+      - "Android/**"
+      - "BUILD.bazel"
+      - "MODULE.bazel"
+      - "MODULE.bazel.lock"
+      - "bazel/android/**"
+      - "Cargo.lock"
+      - "Cargo.toml"
+      - "crates/burrow-core/**"
+      - "crates/burrow-mobile-ffi/**"
+      - "rust-toolchain.toml"
+      - "Scripts/ci/nscloud-cache.sh"
+  pull_request:
+    paths:
+      - ".forgejo/workflows/build-android.yml"
+      - "Android/**"
+      - "BUILD.bazel"
+      - "MODULE.bazel"
+      - "MODULE.bazel.lock"
+      - "bazel/android/**"
+      - "Cargo.lock"
+      - "Cargo.toml"
+      - "crates/burrow-core/**"
+      - "crates/burrow-mobile-ffi/**"
+      - "rust-toolchain.toml"
+      - "Scripts/ci/nscloud-cache.sh"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: burrow-build-android-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  BURROW_NIX_CACHE_URL: ${{ vars.BURROW_NIX_CACHE_URL || 'https://nix.burrow.net/burrow' }}
+  BURROW_NIX_CACHE_PUBLIC_KEY: ${{ vars.BURROW_NIX_CACHE_PUBLIC_KEY }}
+
+jobs:
+  stub:
+    name: Android Rust Core Stub
+    runs-on: namespace-profile-linux-medium
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+        with:
+          token: ${{ github.token }}
+          fetch-depth: 0
+
+      - name: Configure Cache
+        shell: bash
+        run: |
+          set -euo pipefail
+          bash Scripts/ci/ensure-nix.sh
+          nix develop .#ci -c Scripts/ci/nscloud-cache.sh bazel
+
+      - name: Build Android Stub Check
+        shell: bash
+        run: |
+          set -euo pipefail
+          if [[ -n "${BURROW_BAZEL_NSCCACHE_BAZELRC:-}" ]]; then
+            bazel --bazelrc="$BURROW_BAZEL_NSCCACHE_BAZELRC" build //bazel/android:check_stub_stamp
+          else
+            bazel build //bazel/android:check_stub_stamp
+          fi