CI: try IRC notifications

.github/workflows/ci.yml

@@ -85,3 +85,12 @@ jobs:
         working-directory: ${{ env.BUILDDIR }}
         run: |
           make install VERBOSE=1
+      -
+        name: notify
+        uses: rectalogic/notify-irc@v1
+        with:
+          server: char.freenode.net
+          channel: #calamares
+          nickname: ircalamares
+          message: |
+            ${{ github.actor }} pushed ${{ github.event.ref }} CI ${{ steps.install.conclusion }}