Missing dependencies in rpm package

[Tyriar]

#13089 but for .rpm

Notes:

• Chromium deps: https://cs.chromium.org/chromium/src/chrome/installer/linux/rpm/expected_deps_i386?dr=C&q=libxss.so.1&sq=package:chromium
• ldd /usr/share/code-insiders/code-insiders can fetch a list of deps

[Tyriar]

To verifier: Please verify installation works fine on both a 32-bit and 64-bit CentOS (I tested using Fedora when implementing).

[chrmarti]

@Tyriar Seeing this on CentOS 8.6 64-bit live CD:

[chrmarti]