fix: update default pip to new url

apps/cic-ussd/docker/Dockerfile

@@ -10,7 +10,7 @@ RUN mkdir -vp pgp/keys
 RUN mkdir -vp cic-ussd
 RUN mkdir -vp data
 
-ARG EXTRA_PIP_INDEX_URL=https://pip.grassrootseconomics.net:8433
+ARG EXTRA_PIP_INDEX_URL=https://pip.grassrootseconomics.net
 ARG EXTRA_PIP_ARGS=""
 ARG PIP_INDEX_URL=https://pypi.org/simple
 
@@ -18,7 +18,7 @@ RUN --mount=type=cache,mode=0755,target=/root/.cache/pip \
     pip install --index-url $PIP_INDEX_URL \
     --pre \
     --extra-index-url $EXTRA_PIP_INDEX_URL $EXTRA_PIP_ARGS \
-        cic-eth-aux-erc20-demurrage-token~=0.0.2a7
+    cic-eth-aux-erc20-demurrage-token~=0.0.2a7
 
 
 COPY *requirements.txt ./