CI: Switch to M1 macOS runners.

[kpreid]

Browser tests don't pass.

``` Set timeout to 20 seconds... Executing bindgen... Running headless tests in Firefox on `[http://127.0.0.1:49243/`](http://127.0.0.1:49243/%60) Try find `webdriver.json` for configure browser's capabilities: Not found Starting new webdriver session... driver status: signal: 9 (SIGKILL) driver stdout: 1707018675469 geckodriver INFO Listening on 127.0.0.1:49243 Error: http://127.0.0.1:49243/session: status code 500 Stack backtrace: 0: std::backtrace_rs::backtrace::libunwind::trace at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 1: std::backtrace_rs::backtrace::trace_unsynchronized at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: std::backtrace::Backtrace::create at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/backtrace.rs:331:13 3: anyhow::error:: for anyhow::Error>::from 4: wasm_bindgen_test_runner::headless::Client::doit 5: wasm_bindgen_test_runner::headless::run 6: wasm_bindgen_test_runner::main 7: std::sys_common::backtrace::__rust_begin_short_backtrace 8: std::rt::lang_start::{{closure}} 9: core::ops::function::impls:: for &F>::call_once at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13 10: std::panicking::try::do_call at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40 11: std::panicking::try at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19 12: std::panic::catch_unwind at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14 13: std::rt::lang_start_internal::{{closure}} at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48 14: std::panicking::try::do_call at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40 15: std::panicking::try at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19 16: std::panic::catch_unwind at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14 17: std::rt::lang_start_internal at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20 18: std::rt::lang_start 19: _main error: test failed, to rerun pass `--test browser` Caused by: process didn't exit successfully: `/Users/runner/Library/Caches/.wasm-pack/wasm-bindgen-cargo-install-0.2.90/wasm-bindgen-test-runner /Users/runner/work/all-is-cubes/all-is-cubes/all-is-cubes-wasm/target/wasm32-unknown-unknown/debug/deps/browser-fc7dced543cc4705.wasm` (exit status: 1) note: test exited abnormally; to see the full output pass --nocapture to the harness. Error: Running Wasm tests with wasm-bindgen-test failed Caused by: Running Wasm tests with wasm-bindgen-test failed Caused by: failed to execute `cargo test`: exited with exit status: 1 full command: cd "/Users/runner/work/all-is-cubes/all-is-cubes/all-is-cubes-wasm" && CARGO_TARGET_WASM32_UNKNOWN_UNKNOWN_RUNNER="/Users/runner/Library/Caches/.wasm-pack/wasm-bindgen-cargo-install-0.2.90/wasm-bindgen-test-runner" GECKODRIVER="/Users/runner/Library/Caches/.wasm-pack/geckodriver-999daedc01c233f5/geckodriver" WASM_BINDGEN_TEST_ONLY_WEB="1" "cargo" "test" "--target" "wasm32-unknown-unknown" Error: command `wasm-pack test --headless --firefox` failed, exit status: 1 ```

[kpreid]

I tried the suggestion to pass --nocapture locally and it caused the tests to fail to start with no useful details.

[kpreid]

92000b399422d9efdce4cd7ff097f5012bd11dc0 fixes the problem, which seems to be simply that Firefox isn't installed. The rest of this PR is no longer needed since M1 is now rolled out by default.