Fix Docker tag

Author: mblue9

.github/workflows/basic_checks.yaml

@@ -53,7 +53,7 @@ jobs:
           repository: stemangiola/bioc_2020_tidytranscriptomics
           tag_with_ref: true
           tag_with_sha: true
-          tags: bio2020
+          tags: bioc2020
 
       - name: Build pkgdown
         run: |