test: add tekton specific test scripts that point to the k3k cluster

Signed-off-by: Xe Iaso <me@xeiaso.net>

test/default-config-macro/tekton.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+exec ./test.sh

test/ssh-ci/Dockerfile

@@ -11,5 +11,5 @@ RUN CGO_ENABLED=0 go install golang.org/dl/go1.23.6@latest \
 FROM alpine:${ALPINE_VERSION}
 COPY --from=go /app/bin/go /usr/local/bin/go
 
-RUN apk add -U nodejs git build-base git npm bash zstd brotli gzip jq kubectl \
+RUN apk add -U nodejs git build-base git npm bash zstd brotli gzip jq kubectl python3 py3-pip py3-virtualenv \
   && go download