docs: update tor and i2p docs (#5673)

## Issue being fixed or feature implemented
Fix Dash Core version in i2p.md and update list of nodes in tor.md (we
do not support v2 tor anymore).

## What was done?
ran a node with `-onlynet=oinion` and picked 8 nodes

## How Has This Been Tested?
n/a

## Breaking Changes
n/a

## Checklist:
- [x] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have added or updated relevant unit/integration/functional/e2e
tests
- [ ] I have made corresponding changes to the documentation
- [x] I have assigned this pull request to a milestone _(for repository
code-owners and collaborators only)_

doc/i2p.md

@@ -47,7 +47,7 @@ information in the debug log about your I2P configuration and connections. Run
 `dash-cli help logging` for more information.
 
 It is possible to restrict outgoing connections in the usual way with
-`onlynet=i2p`. I2P support was added to Dash Core in version 22.0 (mid 2021)
+`onlynet=i2p`. I2P support was added to Dash Core in version 20.0 (fall 2023)
 and there may be fewer I2P peers than Tor or IP ones. Therefore, using
 `onlynet=i2p` alone (without other `onlynet=`) may make a node more susceptible
 to [Sybil attacks](https://en.dash.it/wiki/Weaknesses#Sybil_attack). Use

doc/tor.md

@@ -203,18 +203,14 @@ for normal IPv4/IPv6 communication, use:
 
 ## 3.1. List of known Dash Core Tor relays
 
-Note: All these nodes are hosted by masternodehosting.com
-
-* l7oq3v7ujau5tfrw.onion
-* vsmegqxisccimsir.onion
-* 4rbha5nrjso54l75.onion
-* 3473226fvgoenztx.onion
-* onn5v3aby2dioicx.onion
-* w5n7s2p3mdq5yf2d.onion
-* ec4qdvujskzasvrb.onion
-* g5e4hvsecwri3inf.onion
-* ys5upbdeotplam3y.onion
-* fijy6aikzxfea54i.onion
+- 3dnj6le7i2dgzqtj7tth5zoiscmoddovzswdl5pjy5pnyllevxhb3uyd.onion
+- cmhr5r3lqhy7ic2ebeil66ftcz5u62zq5qhbfdz53l6sqxljh7zxntyd.onion
+- k532fqvgzqotj6epfw3rfc377elrj3td47ztad2tkn6vwnw6nhxacrqd.onion
+- nqvpq3urtggxybor6wlf5odzanfqcitg5m7xjo2w25bj7tl2g54te6yd.onion
+- oabd4mxviavh2xhlv4xidbqswsrqvmcnkpfwfwhjgy4w2dmlaoulxwad.onion
+- qpcfsys2rqguha4vahdq6lbx7flc2fivrdicwxqtvh5okujrh6ami3ad.onion
+- v7ttoiov7rc5aut64nfomyfwxt424ihufwvr5ilf7moeg3fwibjpjcqd.onion
+- yjos5hcumgpgggm37xjmgjfzzhbjo6a7phyavutfzkh6qrlnozvajuad.onion
 
 ## 4. Privacy recommendations