fix ci

Author: kMutagene

.github/workflows/build-and-test.yml

@@ -19,7 +19,6 @@ jobs:
       with:
         dotnet-version: |
           8.x.x
-          # 9.x.x
     - name: make script executable
       run: chmod u+x build.sh
     - name: Build and test
@@ -37,7 +36,6 @@ jobs:
       with:
         dotnet-version: |
           8.x.x
-          # 9.x.x
     - name: Build and test (includes netfx)
       working-directory: ./
       run: ./build.cmd runtestsall