chore(ci/docker): skip sccache if missing aws key

Signed-off-by: Luiz Carvalho <[email protected]>

Dockerfile

@@ -24,7 +24,7 @@ ENV PATH=/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbi
 RUN curl https://sh.rustup.rs -sSf | \
     sh -s -- -y --profile=minimal --default-toolchain=nightly-2024-02-01
 
-RUN if [ -n "$SCCACHE_BUCKET" ]; then \
+RUN if [ -n "$AWS_ACCESS_KEY_ID" ]; then \
         curl https://github.com/mozilla/sccache/releases/download/v0.7.7/sccache-v0.7.7-x86_64-unknown-linux-musl.tar.gz \
             -Lo sccache-v0.7.7-x86_64-unknown-linux-musl.tar.gz && \
         tar -xzf sccache-v0.7.7-x86_64-unknown-linux-musl.tar.gz --strip-components=1 \