fix: shorten omni gpg key lifetime

Author: andrewkiddamcs

docs/src/content/docs/Guides/Self Signed Cluster SSO/configuring-cert-manager-self-signed-ca.md

@@ -53,7 +53,6 @@ spec:
     - secret:
         name: cluster-root-ca
         key: tls.crt
-        namespace: cert-manager
   target:
     configMap:
       key: ca.crt

src/manifests/ainur/sidero-omni/gpg-generator.yaml

@@ -77,7 +77,7 @@ spec:
               Subkey-Usage: encrypt
               Name-Real: Omni
               Name-Email: omni@local
-              Expire-Date: 10y
+              Expire-Date: 1y
               %commit
               EOF
               gpg --batch --gen-key /work/gen-batch

src/manifests/ainur/sidero-omni/omni-servers-transport.yaml

@@ -7,7 +7,6 @@ spec:
     - secret:
         name: cluster-root-ca
         key: tls.crt
-        namespace: cert-manager
   target:
     secret:
       key: ca.crt