feat!: MD5 authentication for BGP support

[rhariady]

This PR add support for MD5 authentication in BGP session in the interface submodule (include reference in interconnect_attachment module). Needs min provider version 5.12

BEGIN_COMMIT_OVERRIDE
feat!: MD5 authentication for BGP support
END_COMMIT_OVERRIDE

[imrannayer]

@rhariady thanks foe the PR. Left some comments.

[rhariady]

Hi, thanks for the review @imrannayer!

Regarding lookup, i was trying to keep it consistent with other arguments (eg. advertised_route_priority and bfd) that is also optional. But i agree that using try is probably better than lookup, so i think I can keep it consistent still by updating the other arguments to use try as well.

But then, i realize that since all these variables had already been optional, probably we can omit the lookup or try altogether, as it already default-ed to null and make lookup or try redundant. What do you think? I will be fine to implement either way.

[imrannayer]

/gcbrun

[imrannayer]

/gcbrun

[imrannayer]

@rhariady I merged this PR. Can you plz submit another PR to change min provider version in versions.tf file for interface sub-module to 5.12? MD5 authentication was part of that version.

[rhariady]

@rhariady I merged this PR. Can you plz submit another PR to change min provider version in versions.tf file for interface sub-module to 5.12? MD5 authentication was part of that version.

Thanks @imrannayer! And sorry i missed to update the min provider version, but i have open another MR for that as you suggested in #153.