Added ARM64 in GOARCH for Linux/ARM64 binary release (#5209)

Added GOARCH: arm64 with GOOS: linux, for releasing Linux/ARM64 binary
release for tendermint.

Signed-off-by: odidev <odidev@puresoftware.com>

.circleci/config.yml

@@ -141,7 +141,7 @@ jobs:
 
   build_artifacts:
     executor: golang
-    parallelism: 4
+    parallelism: 5
     steps:
       - restore_cache:
           name: "Restore source code cache"
@@ -163,6 +163,7 @@ jobs:
             if test ${CIRCLE_NODE_INDEX:-0} == 1 ;then export GOOS=darwin GOARCH=amd64  && export OUTPUT=build/tendermint_${GOOS}_${GOARCH} && make build && python -u scripts/release_management/zip-file.py ;fi
             if test ${CIRCLE_NODE_INDEX:-0} == 2 ;then export GOOS=windows GOARCH=amd64 && export OUTPUT=build/tendermint_${GOOS}_${GOARCH} && make build && python -u scripts/release_management/zip-file.py ;fi
             if test ${CIRCLE_NODE_INDEX:-0} == 3 ;then export GOOS=linux GOARCH=arm     && export OUTPUT=build/tendermint_${GOOS}_${GOARCH} && make build && python -u scripts/release_management/zip-file.py ;fi
+            if test ${CIRCLE_NODE_INDEX:-0} == 4 ;then export GOOS=linux GOARCH=arm64   && export OUTPUT=build/tendermint_${GOOS}_${GOARCH} && make build && python -u scripts/release_management/zip-file.py ;fi
       - persist_to_workspace:
           root: build
           paths:
@@ -198,6 +199,7 @@ jobs:
             export GOOS=darwin GOARCH=amd64  && python -u scripts/release_management/github-upload.py --id "${RELEASE_ID}"
             export GOOS=windows GOARCH=amd64 && python -u scripts/release_management/github-upload.py --id "${RELEASE_ID}"
             export GOOS=linux GOARCH=arm     && python -u scripts/release_management/github-upload.py --id "${RELEASE_ID}"
+            export GOOS=linux GOARCH=arm64   && python -u scripts/release_management/github-upload.py --id "${RELEASE_ID}"
             python -u scripts/release_management/github-upload.py --file "/tmp/workspace/SHA256SUMS" --id "${RELEASE_ID}"
             python -u scripts/release_management/github-publish.py --id "${RELEASE_ID}"
   release_docker: