CI: remote tests should run for release tags and manual trigger

Author: bsipocz

.github/workflows/ci_crontests.yml

@@ -17,7 +17,7 @@ jobs:
   tests:
     name: ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
-    if: github.event_name == 'schedule' && github.repository == 'astropy/astroquery'
+    if: github.repository == 'astropy/astroquery'
     strategy:
       fail-fast: false
       matrix: