fix(deps): bump o-tiling v2.9.4 pin — upstream re-tagged the release (#211)

The build failed the SHA256 pin for o-tiling v2.9.4: the asset no longer matches
the pinned 7cc729db…. Upstream (oliwebd) re-tagged v2.9.4 — the asset's mtime is
2026-06-19 23:48, AFTER #205 pinned it. The pin did exactly its job (caught a
silent content change under a stable tag). Verified the new artifact: SHA
295cd35… is stable across repeated downloads (not corruption) and it's a valid
GNOME extension zip (metadata.json + extension.js). Bump the pin to the current
content. (Renovate won't catch a same-version re-tag, so this is a manual bump.)

Author: daniel-g-carrasco

build_files/build-margine-extensions.sh

@@ -65,7 +65,7 @@ EXT_DIR=/usr/share/gnome-shell/extensions
 # Margine overrides in 03-margine-o-tiling are unchanged in 2.8.17.
 OTILING_VERSION="v2.9.4"
 OTILING_URL="https://github.com/oliwebd/o-tiling/releases/download/${OTILING_VERSION}/o-tiling@oliwebd.github.qkg1.top-${OTILING_VERSION}.zip"
-OTILING_SHA256="7cc729db825fce5e0ca695911c8522bc132cdbf5aa20c98e64661959d854969d"
+OTILING_SHA256="295cd3518863b35fcfa6ab47684a38bbb1cb42e88910da4a53eee873a65f5298"
 
 # Hide Cursor is hosted only on EGO. version_tag pinned for the GNOME
 # Shell major of the current base (50). When Bluefin bumps GNOME, the