Fixing issue where bundle plugin could panic on reconfiguration (SDK use) (#7300)

Fixing issue where bundle plugin would panic on reconfiguration if module rego-version is missing in bundle manifest.

* Passing runtime rego-version to deactivation options
* Preferring to pull rego-version from parsed modules if present

This solves an edge case when using the OPA SDK, and should not affect standalone OPA.

Fixes: #7297
Signed-off-by: Johan Fylling <johan.dev@fylling.se>

v1/plugins/bundle/plugin.go

@@ -197,10 +197,11 @@ func (p *Plugin) Reconfigure(ctx context.Context, config interface{}) {
 	params.Context = storage.NewContext() // TODO(sr): metrics?
 	err := storage.Txn(ctx, p.manager.Store, params, func(txn storage.Transaction) error {
 		opts := &bundle.DeactivateOpts{
-			Ctx:         ctx,
-			Store:       p.manager.Store,
-			Txn:         txn,
-			BundleNames: deletedBundles,
+			Ctx:           ctx,
+			Store:         p.manager.Store,
+			Txn:           txn,
+			BundleNames:   deletedBundles,
+			ParserOptions: p.manager.ParserOptions(),
 		}
 		err := bundle.Deactivate(opts)
 		if err != nil {