Flatpak: Update preview

flatpak/modules/python3-pillow.yaml

@@ -5,5 +5,5 @@ build-commands:
   - pip3 install --prefix=${FLATPAK_DEST} .
 sources:
   - type: archive
-    url: https://files.pythonhosted.org/packages/ce/ef/e793f6ffe245c960c42492d0bb50f8d14e2ba223f1922a5c3c81569cec44/Pillow-7.1.2.tar.gz
-    sha256: a0b49960110bc6ff5fead46013bcb8825d101026d466f3a4de3476defe0fb0dd
+    url: https://files.pythonhosted.org/packages/3e/02/b09732ca4b14405ff159c470a612979acfc6e8645dc32f83ea0129709f7a/Pillow-7.2.0.tar.gz
+    sha256: 97f9e7953a77d5a70f49b9a48da7776dc51e9b738151b22dacf101641594a626

flatpak/org.gajim.Gajim.Plugin.url_image_preview.yaml

@@ -21,8 +21,8 @@ modules:
       - appstream-compose --basename=org.gajim.Gajim.Devel.Plugin.url_image_preview --prefix=${FLATPAK_DEST} --origin=flatpak org.gajim.Gajim.Plugin.url_image_preview
     sources:
       - type: archive
-        url: https://ftp.gajim.org/plugins_releases/url_image_preview_2.5.2.zip
-        sha256: a9e677fde1853030431a01e310e62a1483618e0b29bec352c511cdd700d5aab5
+        url: https://ftp.gajim.org/plugins_releases/url_image_preview_2.5.3.zip
+        sha256: f310913fd85fb7f151a39bcb5a224d07d7e3e64daa62f75e816a33a91ea4ee9d
       - type: shell
         commands:
           - sed -i "s+org.gajim.Gajim+org.gajim.Gajim.Devel+" org.gajim.Gajim.Plugin.*.metainfo.xml