ci/slt: install ssh keys

Author: benesch

ci/slt/slt.sh

@@ -9,6 +9,14 @@
 
 set -euo pipefail
 
+# TODO(benesch): share with the deploy pipeline.
+mkdir ~/.ssh
+cat >> ~/.ssh/known_hosts <<EOF
+mtrlz.dev ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCsJdMnBVoCu1StAcoSH9iMIdM94V3if6U87gdrucDV/NHeWSTZa3lxHV4mGAFfSBV0oF3y82Sx4gspTjBxAeqwLcm70DrtSzl4cEPiJo4Hgj9U54kuZcIpDP8He/rNYzncrzKoeKzOwtVH5+oaJPcfeZ2CI1BVGj/Xt2A44d8Bixtzc6r+Q9czzYIwTCSxN4+rr7wPnNT3QXF+EvmmIsChXfsjVJpFHQKygVd9+9hk+b/bnqjsMG0O2gHmXSh4FQgbjeJvdTLEqC6SN8VEkaLLosbn79gxjei+U8pHcnossNgJQiaj4N5MDQwzWwGV9dxFBvvxcpdUknIBFlML5Joj
+mtrlz.dev ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMl4Vm8V+nUA677qNBKcIjUACY1tZuUa74MVMScGUp+szeuPbkqHpYqSkGnU+ONYVT0nRmXFhIOU2cO6hi2lGs4=
+mtrlz.dev ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPbUN6RkJgvRv3Y7pmnwth5nribjue21mf8BeD12qr2C
+EOF
+
 verbosity=-vv
 if [[ "${BUILDKITE-}" ]]; then
     verbosity=-v