Update skipper version, step 1/2

+ zalando/skipper#3175
+ zalando/skipper#3174
+ zalando/skipper#3173
+ zalando/skipper#3172
+ zalando/skipper#3170
+ zalando/skipper#3176
+ zalando/skipper#3160
+ zalando/skipper#3184
+ zalando/skipper#3185
+ zalando/skipper#3186
+ zalando/skipper#3181
+ zalando/skipper#3183
+ zalando/skipper#3187

Signed-off-by: Roman Zavodskikh <roman.zavodskikh@zalando.de>

cluster/manifests/skipper/deployment.yaml

@@ -1,5 +1,5 @@
 {{ $internal_version := "v0.21.161-981" }}
-{{ $canary_internal_version := "v0.21.161-981" }}
+{{ $canary_internal_version := "v0.21.169-981" }}
 
 {{/* Optional canary arguments separated by "[cf724afc]" to allow whitespaces, e.g. "-foo=has a whitespace[cf724afc]-baz=qux" */}}
 {{ $canary_args := "" }}