Update ci.yml

Author: chuckhoupt

.github/workflows/ci.yml

@@ -26,6 +26,7 @@ jobs:
      - uses: msys2/setup-msys2@v2
        with:
           msystem: MINGW32
+          update: true
           install: git mingw-w64-i686-gcc base-devel mingw-w64-i686-tk mingw-w64-i686-curl zip procps
      - shell: msys2 {0}
        run: ./cibuild