CI: send push-related CI notifications to Matrix

.github/workflows/push.yml

@@ -78,18 +78,10 @@ jobs:
         working-directory: ${{ env.BUILDDIR }}
         run: make install VERBOSE=1
       - name: "notify: ok"
-        uses: rectalogic/notify-irc@v1
         if: ${{ success() && github.repository == 'calamares/calamares' }}
-        with:
-          server: chat.freenode.net
-          nickname: cala-ci
-          channel: "#calamares"
-          message: "OK ${{ github.workflow }} in ${{ github.repository }} ${{ github.actor }} on ${{ github.event.ref }}\n.. ${{ steps.pre_build.outputs.message }}"
+        run: |
+            curl -s -XPOST -d '{"msgtype":"m.text", "body":"OK ${{ github.workflow }} in ${{ github.repository }} ${{ github.actor }} on ${{ github.event.ref }}\n.. ${{ steps.pre_build.outputs.message }}"}' 'https://matrix.org/_matrix/client/r0/rooms/%21${{ secrets.MATRIX_ROOM }}/send/m.room.message?access_token=${{ secrets.MATRIX_TOKEN }}' > /dev/null
       - name: "notify: fail"
-        uses: rectalogic/notify-irc@v1
         if: ${{ failure() && github.repository == 'calamares/calamares' }}
-        with:
-          server: chat.freenode.net
-          nickname: cala-ci
-          channel: "#calamares"
-          message: "FAIL ${{ github.workflow }} in ${{ github.repository }} ${{ github.actor }} on ${{ github.event.ref }}\n.. ${{ steps.pre_build.outputs.message }}\n.. DIFF ${{ github.event.compare }}"
+        run: |
+            curl -s -XPOST -d '{"msgtype":"m.text", "body": "FAIL ${{ github.workflow }} in ${{ github.repository }} ${{ github.actor }} on ${{ github.event.ref }}\n.. ${{ steps.pre_build.outputs.message }}\n.. DIFF ${{ github.event.compare }}" }' 'https://matrix.org/_matrix/client/r0/rooms/%21${{ secrets.MATRIX_ROOM }}/send/m.room.message?access_token=${{ secrets.MATRIX_TOKEN }}' > /dev/null