AppRunner: Include ssh client and keygen tools

Change-Id: I4ef99076df3dbf7bfeb62b60c1980c308f925e11
diff --git a/apps/app-runner/Dockerfile.deno.2.2.0 b/apps/app-runner/Dockerfile.deno.2.2.0
index bc2014e..6145bf9 100644
--- a/apps/app-runner/Dockerfile.deno.2.2.0
+++ b/apps/app-runner/Dockerfile.deno.2.2.0
@@ -2,4 +2,9 @@
 
 ARG TARGETARCH
 
+RUN apk update
+# TODO(gio): git and openssh is not generally required, we need it for canvas.
+# Instead allow dodo-app definition to include required tool list.
+RUN apk add openssh-keygen openssh
+
 COPY app-runner_${TARGETARCH} /usr/bin/app-runner