Change cache policy in `validate-plan*` templates to only push in `validate` job

Changelog: changed

templates/validate-plan-apply.yml

@@ -154,6 +154,7 @@ include:
       state_name: $[[ inputs.state_name ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.validate_rules ]]
+      cache_policy: pull-push
   - local: '/templates/plan.yml'
     inputs:
       as: '$[[ inputs.job_name_prefix ]]plan'
@@ -170,6 +171,7 @@ include:
       artifacts_access: $[[ inputs.plan_artifacts_access ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.plan_rules ]]
+      cache_policy: pull
       warning_on_none_empty_plan: $[[ inputs.warning_on_none_empty_plan ]]
   - local: '/templates/apply.yml'
     inputs:
@@ -187,3 +189,4 @@ include:
       auto_apply: $[[ inputs.auto_apply ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.apply_rules ]]
+      cache_policy: pull

templates/validate-plan-destroy.yml

@@ -159,6 +159,7 @@ include:
       state_name: $[[ inputs.state_name ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.validate_rules ]]
+      cache_policy: pull-push
   - local: '/templates/plan.yml'
     inputs:
       as: '$[[ inputs.job_name_prefix ]]plan'
@@ -176,6 +177,7 @@ include:
       destroy: true
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.plan_rules ]]
+      cache_policy: pull
       warning_on_none_empty_plan: $[[ inputs.warning_on_none_empty_plan ]]
   - local: '/templates/destroy.yml'
     inputs:
@@ -194,6 +196,7 @@ include:
       auto_destroy: $[[ inputs.auto_destroy ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.destroy_rules ]]
+      cache_policy: pull
   - local: '/templates/delete-state.yml'
     inputs:
       as: '$[[ inputs.job_name_prefix ]]delete-state'

templates/validate-plan.yml

@@ -140,6 +140,7 @@ include:
       state_name: $[[ inputs.state_name ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.validate_rules ]]
+      cache_policy: pull-push
   - local: '/templates/plan.yml'
     inputs:
       as: '$[[ inputs.job_name_prefix ]]plan'
@@ -156,4 +157,5 @@ include:
       artifacts_access: $[[ inputs.artifacts_access ]]
       var_file: $[[ inputs.var_file ]]
       rules: $[[ inputs.plan_rules ]]
+      cache_policy: pull
       warning_on_none_empty_plan: $[[ inputs.warning_on_none_empty_plan ]]