[CI] Test meson build from dist. (#1389)

.github/actions/autotools/action.yml

@@ -9,6 +9,9 @@ inputs:
 runs:
   using: composite
   steps:
+    - id: pip
+      run: pip install meson ninja
+      shell: bash
     - id: setup
       run: |
         autoreconf --install
@@ -30,6 +33,14 @@ runs:
       uses: ./.github/actions/doxycheck
       with:
         logfile: builddir/doxygen.log
+    - id: meson-dist-check
+      shell: bash
+      run: |
+        tar xf builddir/rofi-*.tar.gz
+        cd rofi-*/
+        meson setup . build
+        ninja -C build
+        ninja -C build test
     - id: upload
       uses: actions/upload-artifact@v2
       with: