PR chores: changeset, api-report, cleaning, add catalog-info entry

Signed-off-by: Ruben Vallejo <rvallejo@vmware.com>

.changeset/short-ears-rescue.md

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+---
+'@backstage/plugin-auth-backend-module-pinniped-provider': minor
+---
+
+Add new Pinniped auth module and authenticator to be used alongside the new Pinniped auth provider.

.changeset/tiny-peaches-brake.md

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+---
+'@backstage/plugin-auth-backend': patch
+---
+
+Add Pinniped Auth Provider to list of default auth providers

.changeset/young-ducks-heal.md

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+---
+'@backstage/plugin-auth-node': patch
+---
+
+Adding optional audience parameter to OAuthState type declaration