Align graminize process with setup documentation

Per fix for securefederatedai#672, seup documentation was updated to upgrade pip,
setuptools and wheel. Align base Dockerfile used in graminize to reflect
this change

Signed-off-by: Lavi, Nir <nir.lavi@intel.com>

openfl-gramine/Dockerfile.gramine

@@ -4,7 +4,7 @@ FROM ${BASE_IMAGE}
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 RUN --mount=type=cache,target=/root/.cache/ \
-    pip install --upgrade pip && \
+    pip install --upgrade pip setuptools wheel && \
     pip install openfl
 
 # install gramine