CI: fix cached ndless toolchain

Author: fridtjof

.github/workflows/main.yml

@@ -67,7 +67,8 @@ jobs:
         if: steps.sdk-cache.outputs.cache-hit != 'true'
         run: echo "$GITHUB_WORKSPACE/ndless/ndless-sdk/toolchain/install/bin" >> $GITHUB_PATH
       - name: Install ndless SDK dependencies
-        if: steps.sdk-cache.outputs.cache-hit != 'true'
+        # we need this at runtime as well
+        #if: steps.sdk-cache.outputs.cache-hit != 'true'
         run: sudo apt install -y libboost-program-options-dev
       - name: Build ndless SDK
         if: steps.sdk-cache.outputs.cache-hit != 'true'