(arm 32-bit) Use actual architecture and OS for armv7 (#826)

* Update build.c

* Update build.c

* Update build.c

* Update build.c

* build for armv7

* disable push temporarily

* added clang package

* enable repo push

* build on master branch

* use matrix arch & os

* fix commit message for arm build

* enable push to binaries

Co-authored-by: Adones Pitogo <adonesp@ubuntu-x399>

.github/workflows/c-cpp.yml

@@ -65,8 +65,8 @@ jobs:
       - uses: uraimo/run-on-arch-action@v2.3.0
         name: Compile binaries
         with:
-          arch: aarch64
-          distro: ubuntu20.04
+          arch: ${{ matrix.arch }}
+          distro: ${{ matrix.os }}
           dockerRunArgs: |
             --volume "${PWD}/uWebSockets.js:/repository"
           install: |
@@ -88,5 +88,5 @@ jobs:
           git config --global user.email "alexhultman@gmail.com"
           git config --global user.name "Alex Hultman"
           git add *.node *.js
-          git commit -a -m "[GitHub Actions] Updated linux-arm64 binaries" || true
+          git commit -a -m "[GitHub Actions] Updated linux-${{ matrix.arch }} binaries" || true
           git push "https://unetworkingab:${{ secrets.SECRET }}@github.com/uNetworking/uWebSockets.js" binaries