Add RMN_V1_6_ANY2EVM_REPORT to RMNRemote and make public

[RyanRHall]

Motivation

https://github.com/smartcontractkit/ccip/pull/1431#discussion_r1763653570

Solution

Expose the constant as public

[github-actions[bot]]

LCOV of commit 5015b4d during Solidity Foundry #8254

Summary coverage rate:
  lines......: 97.7% (2280 of 2334 lines)
  functions..: 94.6% (421 of 445 functions)
  branches...: 93.6% (542 of 579 branches)

Files changed coverage rate: n/a

[cl-sonarqube-production[bot]]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube