ACS-3841 Migrate to GHA (#1631)

* ACS-3841 Use configure-git-author, rename steps, remove always from maven cache clean step

* ACS-3841 Fix PostgreSQL 13.7 tests step name

* ACS-3841 Fix update_downstream job

* ACS-3841 Set global option for configure-git-author action

* ACS-3841 Update license header

* ACS-3841 Update configure-git-author version + improve uploading artifacts

* ACS-3841 Improve uploading artifacts

* ACS-3841 Fix uploading artifacts

* ACS-3841 Rename jobs names + revert removed functions

* ACS-3841 Fix step condition

* ACS-3841 Update to latest alfresco-build-tools

Co-authored-by: mikolajbrzezinski <mikolaj.brzezinski@hyland.com>

scripts/ci/init.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+echo "=========================== Starting Init Script ==========================="
+PS4="\[\e[35m\]+ \[\e[m\]"
+set -vex
+pushd "$(dirname "${BASH_SOURCE[0]}")/../../"
+
+# Maven Setup
+mkdir -p "${HOME}/.m2" && cp -f .github/.ci.settings.xml "${HOME}/.m2/settings.xml"
+find "${HOME}/.m2/repository/" -type d -name "*-SNAPSHOT*" | xargs -r -l rm -rf
+
+# Docker Logins
+echo "${DOCKERHUB_PASSWORD}" | docker login -u="${DOCKERHUB_USERNAME}" --password-stdin
+echo "${QUAY_PASSWORD}" | docker login -u="${QUAY_USERNAME}" --password-stdin quay.io
+
+popd
+set +vex
+echo "=========================== Finishing Init Script =========================="
+