gdk-pixbuf: update to 2.44.8 - #149

Checking PR #149: gdk-pixbuf: update to 2.44.8 (Formalities Audit)

✅ Pull request originates from a dedicated feature branch (gdk-pixbuf-2.44.8)

Commit ca2c57e - gdk-pixbuf: update to 2.44.8:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "gdk-pixbuf: update to 2.44.8"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: No reference link (e.g., upstream release notes, changelog, or history URL) detected in description.
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.