No upload method in CI

Author: multiplemonomials

.github/workflows/compile.yml

@@ -38,5 +38,5 @@ jobs:
       - name: Build project for ${{ matrix.mbed_target }}
         run: |
             mkdir build && cd build
-            cmake .. -GNinja -DMBED_TARGET=${{ matrix.mbed_target }} -DMCUBOOT_SIGNING_KEY=signing-keys.pem
+            cmake .. -GNinja -DMBED_TARGET=${{ matrix.mbed_target }} -DUPLOAD_METHOD=NONE -DMCUBOOT_SIGNING_KEY=signing-keys.pem
             ninja