GitHub Actions build testing update - fix macOS build + add mod_authz…

…_unixgroup to build testing:

- install apache on mac with homebrew (newer GH mac images do not include webservers unlike windows/linux)
- mac homebrew no longer uses root/sudo
- add mod_authz_unixgroup to build testing for linux/mac (not supported on windows, as there are no UNIX groups there)

.github/workflows/build.yml

@@ -20,11 +20,20 @@ jobs:
     - name: install apache (ubuntu)
       if: runner.os == 'Linux'
       run: sudo apt-get install apache2 apache2-dev
+
+    - name: install apache (macos)
+      if: runner.os == 'macOS'
+      run: brew install httpd
 
-    - name: make (GCC)
+    - name: make mod_authnz_external (POSIX-GCC)
       if: runner.os != 'Windows'
       run: make
       working-directory: ./mod_authnz_external
+
+    - name: make mod_authz_unixgroup (POSIX-GCC)
+      if: runner.os != 'Windows'
+      run: make
+      working-directory: ./mod_authz_unixgroup
 
     - name: nmake (MSVC)
       if: runner.os == 'Windows'
@@ -41,10 +50,15 @@ jobs:
         .\winbuild.bat
       working-directory: ./mod_authnz_external
 
-    - name: make install (POSIX-GCC)
+    - name: make install mod_authnz_external (POSIX-GCC)
       if: runner.os != 'Windows'
       run: sudo make install
       working-directory: ./mod_authnz_external
+
+    - name: make install mod_authz_unixgroup (POSIX-GCC)
+      if: runner.os != 'Windows'
+      run: sudo make install
+      working-directory: ./mod_authz_unixgroup
 
     - name: install to apache (windows)
       if: runner.os == 'Windows'
@@ -62,7 +76,7 @@ jobs:
 
     - name: restart apache (macos)
       if: runner.os == 'macOS'
-      run: sudo brew services restart httpd
+      run: brew services restart httpd
 
     - name: restart apache (windows)
       if: runner.os == 'Windows'