This update for cloud-netconfig, google-guest-agent fixes the following issues:

cloud-netconfig:

- Update to version 1.5:
+ Add support for GCE (bsc#1159460, bsc#1178486)
+ Improve default gateway determination

google-guest-agent:

- Update to version 20201026.00
* remove old unused workflow files
* fallback to IP for metadata
* getPasswd: Check full prefix of line for username

- dont_overwrite_ifcfg.patch: Do not overwrite existing ifcfg files
to allow manual configuration and compatibility with
cloud-netconfig. (bsc#1159460, bsc#1178486)

- Update to version 20200929.00
* correct varname
* don't call dhclient -x on network setup
* add instance id dir override
* update agent systemd service file
* typo, change to noadjfile
* add gaohannk to OWNERS
* remove illfelder from OWNERS
* Add all license files to packages

This update was imported from the SUSE:SLE-15:Update update project.