[ci] disable MiMa checks

Author: rayrobdod

.github/workflows/run-tests.yml

@@ -21,6 +21,7 @@ jobs:
     - name: sbt test
       run: sbt test
   mima:
+    if: false
     needs: test
     runs-on: ubuntu-latest
     name: MigrationManager

appveyor.yml

@@ -12,8 +12,8 @@ build_script:
   - cmd: 'move C:\Users\appveyor\.ivy2\local C:\projects\string-context-parser-combinator\publish'
 test_script:
   - cmd: 'sbt test'
-  - cmd: 'sbt mimaReportBinaryIssues'
-  - cmd: 'sbt tastyMiMaReportIssues'
+#  - cmd: 'sbt mimaReportBinaryIssues'
+#  - cmd: 'sbt tastyMiMaReportIssues'
 artifacts:
   - path: publish
     name: sbt_publish_directory