Upgrade Boba/BNB Testnet

[guidiaz]

Cannot deploy WitnetOracleTrustableOvm2 due to exceptional 413 Request Too Large on all known public rpc providers:

• https://testnet.bnb.boba.network
• https://replica.testnet.bnb.boba.network
• https://boba-bnb-testnet.gateway.tenderly.co

[guidiaz]

Boba dev support increased http body size limit

[guidiaz]

• [x] WSB v2.0: deployed and verified on bobascan.
• [x] WPF v2.0: deployed new pfs.
• [x] WSB v0.7: bypassed and verified.
• [x] DFE: restored support to boba bnb testnet as v2.
• [x] AWS: deployed v2 stack for boba:bnb:testnet.

[guidiaz]

Related PRs:

• https://github.com/witnet/witnet-solidity-bridge/pull/432
• https://github.com/witnet/witnet-feeds/pull/36
• https://github.com/witnet/witnet-solidity-bridge/pull/431
• https://github.com/witnet/data-feeds-explorer/pull/417
• https://github.com/otherplane/bridge-iac/pull/196

[guidiaz]

• [x] https://staging-feeds.witnet.io/boba
• [x] https://feeds.witnet.io/boba