ci: fix android build

.github/workflows/build.yml

@@ -161,9 +161,8 @@ jobs:
         if: ${{ matrix.job.type=='WithCGO' && matrix.job.target=='android' }}
         id: setup-ndk
         with:
-          ndk-version: r26
-          add-to-path: false
-          local-cache: true
+          ndk-version: r26b
+          add-to-path: true
 
       - name: Build Android
         if: ${{ matrix.job.type=='WithCGO' && matrix.job.target=='android' }}