Merge pull request #2639 from devtron-labs/fix/plugin-flag

fix: add default value for plugin flag in .env

Author: AbhishekA1509

.env

@@ -65,3 +65,4 @@ FEATURE_CODE_MIRROR_ENABLE=false
 FEATURE_EXPERIMENTAL_THEMING_ENABLE=true
 FEATURE_DEFAULT_AUTHENTICATED_VIEW_ENABLE=false
 GATEKEEPER_URL=https://license.devtron.ai/dashboard
+FEATURE_CD_MANDATORY_PLUGINS_ENABLE=true