[ci] Fix CMake Android build caching (wpilibsuite#8206)

sccache was enabled but didn't have write credentials

Author: rzblue

.github/workflows/cmake-android.yml

@@ -46,6 +46,12 @@ jobs:
 
       - name: configure
         run: cmake --preset with-sccache -DCMAKE_BUILD_TYPE=RelWithDebInfo -DWITH_WPILIB=OFF -DWITH_GUI=OFF -DWITH_CSCORE=OFF -DWITH_TESTS=OFF -DWITH_SIMULATION_MODULES=OFF -DWITH_PROTOBUF=OFF -DWITH_JAVA=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_TOOLCHAIN_FILE=${{ steps.setup-ndk.outputs.ndk-path }}/build/cmake/android.toolchain.cmake -DANDROID_ABI="${{ matrix.abi }}" -DANDROID_PLATFORM=android-24
+        env:
+          SCCACHE_WEBDAV_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
+          SCCACHE_WEBDAV_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
 
       - name: build
         run: cmake --build build-cmake --parallel $(nproc)
+        env:
+          SCCACHE_WEBDAV_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
+          SCCACHE_WEBDAV_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}