Expanding the list of Public Subnets on the Internet Computer

[sat]

Here is the diff of the subnets.

• brlsh was a fleek-only subnet
• fuqsr is a test key tECDSA backup subnet
• gmq5v was a fleek-only subnet
• jtdsg was a public subnet but was removed to balance load across other subnets
• mpubz was a fleek-only subnet
• o3ow2 used to be a public subnet but was removed to balance load across other subnets
• pjljw used to be a public subnet but was removed to balance load across other subnets
• qdvhd used to be a public subnet but was removed to balance load across other subnets
• yinp6 used to be a public subnet but was removed to balance load across other subnets