Fork pgtap-docker to support arm64 (#2411)

* feat(sql): Fork pgtap to support arm64

This forks pgtap-docker and builds the image locally,
and updates our references to use our forked image.

* fixup! feat(sql): Fork pgtap to support arm64

testing/dbtest/pgtap-docker/test.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+function usage() { echo "Usage: $0 -h host -d database -p port -u username -w password -t 'tests/*.sql'" 1>&2; exit 1; }
+
+while getopts d:h:p:u:w:b:n:t: OPTION
+do
+  case $OPTION in
+    d)
+      DATABASE=$OPTARG
+      ;;
+    h)
+      HOST=$OPTARG
+      ;;
+    p)
+      PORT=$OPTARG
+      ;;
+    u)
+      USER=$OPTARG
+      ;;
+    w)
+      PASSWORD=$OPTARG
+      ;;
+    t)
+      TESTS=$OPTARG
+      ;;
+    H)
+      usage
+      ;;
+  esac
+done
+
+echo "Waiting for database..."
+timeout 240s sh -c "until pg_isready -h $HOST -p $PORT; do sleep 1; done"
+echo
+
+echo "Running tests: $TESTS"
+# install pgtap
+PGPASSWORD=$PASSWORD psql -q -h $HOST -p $PORT -d $DATABASE -U $USER -f /pgtap/sql/pgtap.sql
+
+rc=$?
+# exit if pgtap failed to install
+if [[ $rc != 0 ]] ; then
+  echo "pgTap was not installed properly. Unable to run tests!"
+  exit $rc
+fi
+# run the tests
+PGPASSWORD=$PASSWORD pg_prove -h $HOST -p $PORT -d $DATABASE -U $USER $TESTS
+rc=$?
+# uninstall pgtap
+PGPASSWORD=$PASSWORD psql -q -h $HOST -p $PORT -d $DATABASE -U $USER -f /pgtap/sql/uninstall_pgtap.sql > /dev/null 2>&1
+# exit with return code of the tests
+exit $rc