Fix keystore workflow inputs context for dispatch

Author: Lexiie

.github/workflows/generate-android-keystore.yml

@@ -28,9 +28,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     env:
-      KEY_ALIAS: ${{ inputs.key_alias }}
-      DNAME: ${{ inputs.dname }}
-      VALIDITY_DAYS: ${{ inputs.validity_days }}
+      KEY_ALIAS: ${{ github.event.inputs.key_alias || 'release' }}
+      DNAME: ${{ github.event.inputs.dname || 'CN=Miku Release, OU=Mobile, O=Miku, L=Jakarta, ST=DKI Jakarta, C=ID' }}
+      VALIDITY_DAYS: ${{ github.event.inputs.validity_days || '10000' }}
     steps:
       - name: Set up Java
         uses: actions/setup-java@v4