Give St. Sabina her Lauds commemoration antiphon and correct collect

She was rendering as a bare collect (propers: null had no
sanctoral-commemoration fallback), and even that collect used
collect-c6's Virgin-and-Martyr text -- she was a matron, not a virgin.
Live-verified against Divino Afflatu: added collect-c7 (the Common's
own non-Virgin-Martyr template) and a full antiphon/versicle/collect
commemoration bundle.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018sPkfGLiq58pmmDoBWH5UX

src/data/propers/common/collect-c7.yml

@@ -0,0 +1,24 @@
+# Verified against the reference engine's own source data files:
+# web/www/horas/Latin/Commune/C7.txt ("Commune Unius non Virginis
+# Martyris") — its own [Oratio] is `@Commune/C6::s/Vírginis et //`, i.e.
+# collect-c6's own text with "Vírginis et " stripped (a matron/widow
+# martyr, not a virgin) — resolved here by hand rather than building
+# general sed-directive support for one saint (st-sabina). A
+# Common-collect template — `{N}` stands for the saint's own name,
+# substituted by getDayCollect (hours/resolve-common.ts) via
+# SaintRecord.collectCommon/collectName.
+id: collect-c7
+text:
+  la: |
+    Orémus.
+    Deus, qui inter cétera poténtiæ tuæ mirácula étiam in sexu frágili victóriam martýrii contulísti: concéde propítius; ut, qui beátæ {N} Mártyris tuæ natalícia cólimus, per ejus ad te exémpla gradiámur.
+    Per Dóminum nostrum Jesum Christum, Fílium tuum: qui tecum vivit et regnat in unitáte Spíritus Sancti, Deus, per ómnia sǽcula sæculórum.
+    R. Amen.
+  en: |
+    Let us pray.
+    O God, Who among the other miracles of thy power hast bestowed the victory of martyrdom even upon the weaker sex, graciously grant that we who keep the birthday of blessed {N}, thy Martyr, may come to thee by the path of her example.
+    Through Jesus Christ, thy Son our Lord, Who liveth and reigneth with thee, in the unity of the Holy Ghost, God, world without end.
+    R. Amen.
+status:
+  la: verified
+  en: verified