fix: replace old config schemas for extensions and blueprints

to overcome a lot of warnings given during for example testing where
these extensions are used.

Signed-off-by: Hellgren Heikki <heikki.hellgren@op.fi>

.changeset/shy-ways-lay.md

@@ -0,0 +1,13 @@
+---
+'@backstage/frontend-plugin-api': patch
+'@backstage/plugin-catalog-graph': patch
+'@backstage/plugin-catalog-react': patch
+'@backstage/plugin-search-react': patch
+'@backstage/plugin-techdocs': patch
+'@backstage/plugin-catalog': patch
+'@backstage/plugin-search': patch
+'@backstage/plugin-app': patch
+'@backstage/plugin-org': patch
+---
+
+Replaced old config schema values from existing extensions and blueprints.