0.12.0: Update collection version (#179)

What's Changed

• Support passing vpc by name to subnet by @outcatcher in #167
• vpc info module by @Polina-Gubina in #168
• Subnet info module by @Polina-Gubina in #169
• Change image-name in nat test by @lego963 in #171
• Add new doc pages by @YustinaKvr in #170
• add and fix pages by @YustinaKvr in #172
• Examples for new docs portal by @YustinaKvr in #174
• Add override router by @gtema in #175
• vpc and dns_zone fixes by @enrrou in #177
• Update collection version to 0.12.0 by @enrrou in #179

Full Changelog: 0.11.0...0.12.0