Merge branch 'artifacts' of https://github.com/CendioOssman/tigervnc

.github/containers/bionic/build.sh

 	sudo apt-get -f install -y &&
 	cd ~/build/tigervnc-${VERSION} && dpkg-buildpackage
 	"
+
+mkdir -p ${CURDIR}/result
+cp -av ${CURDIR}/build/*.deb ${CURDIR}/result

.github/containers/centos7/build.sh

         sudo chown 0.0 ~/rpmbuild/SPECS/* &&
 	rpmbuild -ba ~/rpmbuild/SPECS/tigervnc.spec
 	"
+
+mkdir -p ${CURDIR}/result
+cp -av ${CURDIR}/rpmbuild/RPMS ${CURDIR}/result
+cp -av ${CURDIR}/rpmbuild/SRPMS ${CURDIR}/result

.github/containers/centos8/build.sh

         sudo chown 0.0 ~/rpmbuild/SPECS/* &&
 	rpmbuild -ba ~/rpmbuild/SPECS/tigervnc.spec
 	"
+
+mkdir -p ${CURDIR}/result
+cp -av ${CURDIR}/rpmbuild/RPMS ${CURDIR}/result
+cp -av ${CURDIR}/rpmbuild/SRPMS ${CURDIR}/result

.github/containers/focal/build.sh

 	sudo apt-get -f install -y &&
 	cd ~/build/tigervnc-${VERSION} && dpkg-buildpackage
 	"
+
+mkdir -p ${CURDIR}/result
+cp -av ${CURDIR}/build/*.deb ${CURDIR}/result

.github/workflows/build.yml

       - name: Install
         working-directory: build
         run: make tarball
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Linux (Ubuntu)
+          path: build/tigervnc-*.tar.gz
 
   build-windows:
     runs-on: windows-latest
         env:
           MSYS2_PATH_TYPE: inherit
         run: make installer winvnc_installer
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Windows
+          path: build/release/tigervnc*.exe
 
   build-macos:
     runs-on: macos-latest
       - name: Install
         working-directory: build
         run: make dmg
+      - uses: actions/upload-artifact@v3
+        with:
+          name: macOS
+          path: build/TigerVNC-*.dmg
 
   build-java:
     runs-on: ubuntu-latest
       - name: Build
         working-directory: java/build
         run: make
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Java (${{ matrix.java }})
+          path: java/build/VncViewer.jar
 
   build-packages:
     strategy:
         run: docker build -t tigervnc/$DOCKER .github/containers/$DOCKER
       - name: Build packages
         run: .github/containers/$DOCKER/build.sh
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Packages (${{ matrix.target }})
+          path: .github/containers/${{ matrix.target }}/result