Fix iOS/tvOS builds: Rust target, vendored deps, nightly toolchain

- Set Rust_CARGO_TARGET for iOS (aarch64-apple-ios) and tvOS
  (aarch64-apple-tvos) presets so Corrosion doesn't fall back to
  host target
- Disable find_package for BZip2, LibLZMA, and zstd on iOS/tvOS
  to force vendoring (system libs are for host, not target)
- Add rustup target install for iOS in CI
- Install nightly Rust + rust-src for tvOS (tier 3 target)
- Set Rust_TOOLCHAIN=nightly and NOD_BUILD_STD=ON for tvOS preset
- Update nod submodule to nod-ci-fixes branch with -Zbuild-std
  support via NOD_BUILD_STD option

Author: encounter

.github/workflows/build.yml

@@ -192,6 +192,9 @@ jobs:
           brew install cmake ninja
           pip3 install --break-system-packages markupsafe
 
+      - name: Install Rust iOS target
+        run: rustup target add aarch64-apple-ios
+
       - name: Verify CMake version
         run: cmake --version
 
@@ -230,6 +233,11 @@ jobs:
           brew install cmake ninja
           pip3 install --break-system-packages markupsafe
 
+      - name: Install Rust nightly (tvOS is a tier 3 target)
+        run: |
+          rustup toolchain install nightly
+          rustup +nightly component add rust-src
+
       - name: Verify CMake version
         run: cmake --version
 

CMakePresets.json

@@ -246,6 +246,19 @@
         "ENABLE_BITCODE": {
           "type": "BOOL",
           "value": false
+        },
+        "Rust_CARGO_TARGET": "aarch64-apple-ios",
+        "CMAKE_DISABLE_FIND_PACKAGE_BZip2": {
+          "type": "BOOL",
+          "value": true
+        },
+        "CMAKE_DISABLE_FIND_PACKAGE_LibLZMA": {
+          "type": "BOOL",
+          "value": true
+        },
+        "CMAKE_DISABLE_FIND_PACKAGE_zstd": {
+          "type": "BOOL",
+          "value": true
         }
       },
       "vendor": {
@@ -269,6 +282,24 @@
         "ENABLE_BITCODE": {
           "type": "BOOL",
           "value": false
+        },
+        "Rust_CARGO_TARGET": "aarch64-apple-tvos",
+        "Rust_TOOLCHAIN": "nightly",
+        "NOD_BUILD_STD": {
+          "type": "BOOL",
+          "value": true
+        },
+        "CMAKE_DISABLE_FIND_PACKAGE_BZip2": {
+          "type": "BOOL",
+          "value": true
+        },
+        "CMAKE_DISABLE_FIND_PACKAGE_LibLZMA": {
+          "type": "BOOL",
+          "value": true
+        },
+        "CMAKE_DISABLE_FIND_PACKAGE_zstd": {
+          "type": "BOOL",
+          "value": true
         }
       },
       "vendor": {