fix: point eyrie submodule at main instead of feature-branch SHA (#60)

Patel230 · web-flow · commit c3aaf6b46cdb · 2026-06-19T10:38:22.000+05:30
The previous submodule pin referenced a commit only reachable from a
merged feature branch, which broke CI shallow clones. Same tree as main.
diff --git a/external/eyrie b/external/eyrie
@@ -1 +1 @@
-Subproject commit 138b60dd6af0afd2841deda4ba73d79146a52f84
+Subproject commit 3ff69b5917a41044aa9a3f6f28a6657e13f8f231
