ci/cd: enable centos 8 build

.github/workflows/build.yml

@@ -18,3 +18,16 @@ jobs:
       - name: build mouse_m908 rpm package
         run: |
           make -j4 rpm
+  centos-rpm-build:
+    runs-on: ubuntu-latest
+    container: centos:8
+    steps:
+      - uses: actions/checkout@v2
+      - name: install tools and dependencies
+        run: |
+          dnf install -y rpm-build findutils clang-tools-extra 'dnf-command(builddep)' 'dnf-command(config-manager)'
+          dnf config-manager --set-enabled powertools
+          dnf builddep -y mouse_m908.spec
+      - name: build mouse_m908 rpm package
+        run: |
+          make -j4 rpm

mouse_m908.spec

@@ -7,12 +7,12 @@
 
 Name: mouse_m908
 Version: 3.2
-Release: 1
+Release: 1%{?dist}
 Summary: Control Redragon gaming mice from Linux, BSD and Haiku
 
 License: GPL v3
 URL:     https://github.com/dokutan/mouse_m908
-BuildRequires: gcc-c++ libusb libusb-devel
+BuildRequires: gcc-c++ libusb libusb-devel make
 Requires: libusb
 ExclusiveArch: x86_64