chore: increase version numbers and update (#2821)

## Description

increases version numbers for `iroh-base` and `iroh-metrics`, which have
been published, and updates references to them

## Breaking Changes

<!-- Optional, if there are any breaking changes document them,
including how to migrate older code. -->

## Notes & open questions

<!-- Any notes, remarks or open questions you have to make about the PR.
-->

## Change checklist

- [x] Self-review.
- [ ] Documentation updates following the [style
guide](https://rust-lang.github.io/rfcs/1574-more-api-documentation-conventions.html#appendix-a-full-conventions-text),
if relevant.
- [ ] Tests if relevant.
- [ ] All breaking changes documented.

Author: divagant-martian

Cargo.lock

@@ -27,9 +27,9 @@ futures-lite = "2.3"
 genawaiter = { version = "0.99.1", features = ["futures03"] }
 hashlink = { version = "0.9.0", optional = true }
 hex = "0.4.3"
-iroh-base = { version = "0.26.0", features = ["redb"], path = "../iroh-base" }
+iroh-base = { version = "0.27.0", features = ["redb"], path = "../iroh-base" }
 iroh-io = { version = "0.6.0", features = ["stats"] }
-iroh-metrics = { version = "0.26.0", path = "../iroh-metrics", default-features = false }
+iroh-metrics = { version = "0.27.0", path = "../iroh-metrics", default-features = false }
 iroh-net = { version = "0.26.0", path = "../iroh-net" }
 num_cpus = "1.15.0"
 oneshot = "0.1.8"