swift-wasm-5.5-SNAPSHOT-2021-09-14-a

Merge pull request #3522 from swiftwasm/release/5.5

[pull] swiftwasm-release/5.5 from release/5.5

swift-wasm-5.4-SNAPSHOT-2021-09-14-a

Add M1 build to `build-toolchain.yml` for 5.4 (#3528)

Cherry-pick of #3463 for the 5.4 release branch.

swift-wasm-DEVELOPMENT-SNAPSHOT-2021-09-12-a

ci: distribute arm64 toolchain for darwin

swift-wasm-DEVELOPMENT-SNAPSHOT-2021-09-11-a

Merge pull request #3512 from swiftwasm/main

[pull] swiftwasm from main

swift-wasm-5.5-SNAPSHOT-2021-09-11-a

Merge pull request #3508 from swiftwasm/release/5.5

[pull] swiftwasm-release/5.5 from release/5.5

swift-wasm-DEVELOPMENT-SNAPSHOT-2021-09-10-a

Merge pull request #3504 from swiftwasm/main

[pull] swiftwasm from main

swift-wasm-DEVELOPMENT-SNAPSHOT-2021-09-09-a

Merge pull request #3496 from swiftwasm/main

[pull] swiftwasm from main

swift-wasm-5.5-SNAPSHOT-2021-09-09-a

Merge pull request #3495 from swiftwasm/maxd/5.5-merge

Resolve conflicts with upstream 5.5 branch

swift-wasm-DEVELOPMENT-SNAPSHOT-2021-09-08-a

Merge pull request #3486 from swiftwasm/main

[pull] swiftwasm from main

swift-wasm-5.4-SNAPSHOT-2021-09-08-a

Merge pull request #3485 from swiftwasm/release/5.4

[pull] swiftwasm-release/5.4 from release/5.4