deb: depend on libgdk-pixbuf-2.0-0

The Floorp DEB package currently depends on `libgdk-pixbuf2.0-0`, which is marked as a transitional package and is unavailable on the Debian Testing repository.

This change makes the package depend on `libgdk-pixbuf-2.0-0` instead.

.github/workflows/linux-x64-deb.yml

@@ -66,7 +66,7 @@ jobs:
         cd $DEBWORK
         mkdir DEBIAN
         cd DEBIAN
-        echo -e "Package: floorp\\nVersion: $DISPVER\\nArchitecture: amd64\\nMaintainer: Floorp project\\nInstalled-Size: ${inst_size}\\nDepends: libasound2 (>= 1.0.16), libatk1.0-0 (>= 1.12.4), libc6 (>= 2.18), libcairo-gobject2 (>= 1.10.0), libcairo2 (>= 1.10.0), libdbus-1-3 (>= 1.5.12), libfontconfig1 (>= 2.11), libfreetype6 (>= 2.3.5), libgcc1 (>= 1:4.1.1), libgdk-pixbuf2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.37.0), libgtk-3-0 (>= 3.13.7), libpango-1.0-0 (>= 1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libstdc++6 (>= 4.8), libx11-6, libx11-xcb1, libxcb-shm0, libxcb1, libxcomposite1 (>= 1:0.3-1), libxcursor1 (>> 1.1.2), libxdamage1 (>= 1:1.1), libxext6, libxfixes3, libxi6, libxrandr2 (>= 2:1.4.0), libxrender1, fonts-noto-cjk\\nRecommends: libavcodec60 | libavcodec-extra60 | libavcodec59 | libavcodec-extra59 | libavcodec58 | libavcodec-extra58 | libavcodec57 | libavcodec-extra57 | libavcodec56 | libavcodec-extra56 | libavcodec55 | libavcodec-extra55 | libavcodec54 | libavcodec-extra54 | libavcodec53 | libavcodec-extra53\\nSuggests: fonts-stix | otf-stix, fonts-lmodern, libgssapi-krb5-2 | libkrb53, libcanberra0, pulseaudio\\nProvides: gnome-www-browser, www-browser\\nSection: web\\nPriority: optional\\nDescription: Floorp is a new Firefox-based,\\n privacy-preserving browser developed by the Japanese student community.\\nXul-Appid: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}" > control
+        echo -e "Package: floorp\\nVersion: $DISPVER\\nArchitecture: amd64\\nMaintainer: Floorp project\\nInstalled-Size: ${inst_size}\\nDepends: libasound2 (>= 1.0.16), libatk1.0-0 (>= 1.12.4), libc6 (>= 2.18), libcairo-gobject2 (>= 1.10.0), libcairo2 (>= 1.10.0), libdbus-1-3 (>= 1.5.12), libfontconfig1 (>= 2.11), libfreetype6 (>= 2.3.5), libgcc1 (>= 1:4.1.1), libgdk-pixbuf-2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.37.0), libgtk-3-0 (>= 3.13.7), libpango-1.0-0 (>= 1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libstdc++6 (>= 4.8), libx11-6, libx11-xcb1, libxcb-shm0, libxcb1, libxcomposite1 (>= 1:0.3-1), libxcursor1 (>> 1.1.2), libxdamage1 (>= 1:1.1), libxext6, libxfixes3, libxi6, libxrandr2 (>= 2:1.4.0), libxrender1, fonts-noto-cjk\\nRecommends: libavcodec60 | libavcodec-extra60 | libavcodec59 | libavcodec-extra59 | libavcodec58 | libavcodec-extra58 | libavcodec57 | libavcodec-extra57 | libavcodec56 | libavcodec-extra56 | libavcodec55 | libavcodec-extra55 | libavcodec54 | libavcodec-extra54 | libavcodec53 | libavcodec-extra53\\nSuggests: fonts-stix | otf-stix, fonts-lmodern, libgssapi-krb5-2 | libkrb53, libcanberra0, pulseaudio\\nProvides: gnome-www-browser, www-browser\\nSection: web\\nPriority: optional\\nDescription: Floorp is a new Firefox-based,\\n privacy-preserving browser developed by the Japanese student community.\\nXul-Appid: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}" > control
         cd $DEBWORK
         unzip $WORKDIR/.github/debian-data-ppa.zip
         find $DEBWORK -type f -print0 | xargs -0 chmod 644