daedalus-v4l2{,-dkms}: f04d700 -> f55b2cd (UAF lifetime fix)

Bumps all 4 daedalus packages (arch + debian × userspace + dkms)
to pick up daedalus-v4l2 f55b2cd: "kernel: media_request_get/put
around inf->req (UAF safety)".

Closes the SHIP-WITH-EYES-OPEN concern Sonnet flagged in the
pre-deployment review — without explicit media_request_get on
capture + media_request_put on completion, a concurrent
MEDIA_IOC_REQUEST_REINIT or process-kill triggering
buf_request_complete from the cancel path could drop vb2's
reference before our completion handler ran, leaving inf->req
dangling through v4l2_ctrl_request_complete + buf_done.

Matches the cedrus / rkvdec refcount pattern.  No protocol
change, no API change, no consumer-side adjustment required.
Same byte-exact output verified on hertz post-fix (libva path:
match; standalone test_m2m_stream: 30/30 frames).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

debian/daedalus-v4l2/build-deb.sh

@@ -11,12 +11,12 @@
 # Upstream repo: https://git.reauktion.de/reauktion/daedalus-v4l2
 set -euo pipefail
 
-# Same pin as the Arch PKGBUILD.  f04d700 = "Phase 8.13: byte-exact
+# Same pin as the Arch PKGBUILD.  f55b2cd = "Phase 8.13: byte-exact
 # end-to-end via libva (consumer target hit)" — first commit where the
 # full ffmpeg -hwaccel vaapi → libva → /dev/video0 → daemon path lands
 # a pixel-correct decoded frame back in ffmpeg.
-UPSTREAM_COMMIT=f04d7000f858fe51d867aba14a529d3aef4fbd54
-PKGVER=0.1.0+r15+gf04d700
+UPSTREAM_COMMIT=f55b2cdab8a8c0bc04e8c1bb1d0b6ca85e7d96d2
+PKGVER=0.1.0+r16+gf55b2cd
 PKGREL=1
 
 HERE=$(dirname "$(readlink -f "$0")")