try this?

Author: zml2008

.github/workflows/build.yml

@@ -7,6 +7,15 @@ on:
   pull_request:
 
 jobs:
+  get-gitconfig:
+    runs-on: windows-latest
+    steps:
+      - uses: KyoriPowered/.github/.github/actions/setup-java-env@trunk
+      - shell: bash
+        run: |
+          CONF=$(GIT_EDITOR=echo git config --system --edit)
+          echo "Config is $CONF"
+          cat $CONF
   call-build:
     uses: KyoriPowered/.github/.github/workflows/shared-ci.yaml@trunk
     secrets: inherit