poppler: upgrade 26.06.0 -> 26.07.0

Changes:
- core: remove the deprecated DCT and JPX decoders; GPG-based signature
  improvements; fix a signature regression (KDE bug #520496); fix added
  annotations getting lost in some cases (#1732); fix crashes in malformed
  documents.
- utils: pdfinfo now sanitizes its output.
- cpp: add render_hint::ignore_paper_color to allow a transparent paper color.
- glib: construct PopplerPage::mutex, fixing a crash on macOS (#1743).
- qt5/qt6: fix a crash in some signature operations (#1737).

Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-support/poppler/poppler_26.07.0.bb

@@ -9,7 +9,7 @@ SRC_URI = "http://poppler.freedesktop.org/${BP}.tar.xz \
            file://0001-cmake-Do-not-use-isystem.patch \
            file://0001-workaround-build-racing.patch \
            "
-SRC_URI[sha256sum] = "4cb4e5a3dc8cb5eec751c8a23c8ba19f61f96dedc0cd07d2aee6b0c8e2cf6ba4"
+SRC_URI[sha256sum] = "304832f48f8a47fdca90c6b6d1f684e68f37c10c9a0726f345f4ca9df4ca01e2"
 
 DEPENDS = "fontconfig zlib cairo lcms glib-2.0 glib-2.0-native"