chore(version): update libp2p.nimble to 1.7.0 (#1213)

This commit is planned to be tagged with v1.7.0.
The only feature added in this version are configurable min and max TTL
for rendezvous.

Co-authored-by: ksr <kaiserd@users.noreply.github.com>

libp2p.nimble

@@ -1,7 +1,7 @@
 mode = ScriptMode.Verbose
 
 packageName = "libp2p"
-version = "1.6.0"
+version = "1.7.0"
 author = "Status Research & Development GmbH"
 description = "LibP2P implementation"
 license = "MIT"