docker: Upgrade to Bitcoin Core v0.20.0 and c-lightning v0.8.2.1

Author: shesek

Dockerfile

@@ -8,7 +8,7 @@ RUN mkdir /opt/local && apt-get update && apt-get install -y --no-install-recomm
 
 ARG TESTRUNNER
 
-ENV LIGHTNINGD_VERSION=v0.8.1
+ENV LIGHTNINGD_VERSION=v0.8.2.1
 ENV LIGHTNINGD_PGP_KEY=15EE8D6CAB0E7F0CF999BFCBD9200E6CD1ADB8F1
 
 RUN [ -n "$STANDALONE" ] || \
@@ -18,15 +18,15 @@ RUN [ -n "$STANDALONE" ] || \
     && git verify-tag $LIGHTNINGD_VERSION \
     && git checkout $LIGHTNINGD_VERSION \
     && DEVELOPER=$TESTRUNNER ./configure --prefix=./target \
-    && make -j3 \
+    && make \
     && make install \
     && rm -r target/share \
     && mv -f target/* /opt/local/)
 
-ENV BITCOIN_VERSION 0.19.1
+ENV BITCOIN_VERSION 0.20.0
 ENV BITCOIN_FILENAME bitcoin-$BITCOIN_VERSION-x86_64-linux-gnu.tar.gz
 ENV BITCOIN_URL https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/$BITCOIN_FILENAME
-ENV BITCOIN_SHA256 5fcac9416e486d4960e1a946145566350ca670f9aaba99de6542080851122e4c
+ENV BITCOIN_SHA256 35ec10f87b6bc1e44fd9cd1157e5dfa483eaf14d7d9a9c274774539e7824c427
 ENV BITCOIN_ASC_URL https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/SHA256SUMS.asc
 ENV BITCOIN_PGP_KEY 01EA5486DE18A882D4C2684590C8019E36C2E964
 RUN [ -n "$STANDALONE" ] || \