chore(docs): Update testnet info (#16163)

Updates the testnet contract and version info in docs/docs, to be
backported to master so that this info is correct when new releases are
cut.

Also sets the default testnet version to be published to be 1.2.0

Author: critesjosh

docs/docs/try_testnet.md

@@ -30,36 +30,36 @@ id: try_testnet
 
 **L1 Chain ID**: `11155111`
 
-**Rollup Version**: `4189337207`
+**Rollup Version**: `3924331020`
 
 **Node ENR**:
 
 <!-- cspell:disable -->
 
-`enr:-MK4QGMeY-XZOb8V-1f6rDbm_E3SGk8JqvlveqFtQ80WLUbnOapCMv3fh4UAh1SeYw5KfcqPFfk_F99cnO8jDIfS_AwGhWF6dGVjsDAwLTExMTU1MTExLThkMWNjNzAyLTE1MDEwMzQzOS0wYjZiNWY2Yy0wZWE1MWRhNIJpZIJ2NIJpcIQia0KqiXNlY3AyNTZrMaEDmQTk2B2UCjSyvQfvs1SSSYE3namSE7IzmWU_vFrHP5KDdGNwgp3Qg3VkcIKd0A`
+`enr:-M24QDZDoyfM7Ys5Y7M0kSmwarvlywtVmciWA-cT8qw6RTgqDnJDtUjULKQKNVOutHhrsHDwo0lFNtRLM_Q1zAVa3n4HhWF6dGVjsTAwLTExMTU1MTExLTIxNmYwNzE2LTM5MjQzMzEwMjAtMDBkMDk4MDYtMWE1MDc5YjWCaWSCdjSCaXCEJRuLyIlzZWNwMjU2azGhA1k50LogNpVrOJ5Gc3jxHWCN7KillKXv_LaWVCvYP8nJg3RjcIKeNIN1ZHCCnjSDdmVyhTEuMS4y`
 
 <!-- cspell:enable -->
 
 ## Core L1 and L2 Precompiles and Contracts
 
 ### L1 Contract Addresses
 
-| Contract Name         | Address                                      |
-| --------------------- | -------------------------------------------- |
-| Rollup                | `0xee6d4e937f0493fb461f28a75cf591f1dba8704e` |
-| Registry              | `0x4d2cc1d5fb6be65240e0bfc8154243e69c0fb19e` |
-| L1 → L2 Inbox         | `0xf8e143bf3333ecdeaeaa29744bfe226b94f124a8` |
-| L2 → L1 Outbox        | `0x572725ffb3af63745098576152d8756c333d4525` |
-| Fee Juice             | `0x487ff89a8bdaefea2ad10d3e23727ccda8f845b9` |
-| Staking Asset         | `0x5c30c66847866a184ccb5197cbe31fce7a92eb26` |
-| Fee Juice Portal      | `0xa07a3be3f0b17594b394effb4ce579f54e76aba2` |
-| Coin Issuer           | `0xf8d7d601759cbcfb78044ba7ca9b0c0d6301a54f` |
-| Reward Distributor    | `0x169aa723de66698d6cfa97ae576ab2546e8465a2` |
-| Governance Proposer   | `0xf4bf5df1c3b2dd67a0525fc600e98ca51143a67d` |
-| Governance            | `0xee63e102e35f24c34b9ea09b597acfb491c94e78` |
-| Slash Factory         | `0x3c9ccf55a8ac3c2eeedf2ee2aa1722188fd676be` |
-| Fee Asset Handler     | `0x80d848dc9f52df56789e2d62ce66f19555ff1019` |
-| Staking Asset Handler | `0xF739D03e98e23A7B65940848aBA8921fF3bAc4b2` |
+| Contract Name             | Address                                      |
+| ------------------------- | -------------------------------------------- |
+| Rollup                    | `0x216f071653a82ced3ef9d29f3f0c0ed7829c8f81` |
+| Registry                  | `0xec4156431d0f3df66d4e24ba3d30dcb4c85fa309` |
+| L1 → L2 Inbox             | `0xc653855532932ab3d42b236b20c027d824c4834b` |
+| L2 → L1 Outbox            | `0xdb4f4c5cc724a3e4e3e9ad7b48eb3e02002ae936` |
+| Fee Juice                 | `0x98e8e6792eff2b956b6beb7da05965a8c9441722` |
+| Staking Asset             | `0x0c04089ed32638ae3cdf649f54f90544ac3fc199` |
+| Fee Juice Portal          | `0x47e85e305e971c7d19fca8cb582d1f9629d0b26d` |
+| Coin Issuer               | `0x3b218d0f26d15b36c715cb06c949210a0d630637` |
+| Reward Distributor        | `0x2d513c8a3f551a5fdbd33be7c1fcb472172bf759` |
+| Governance Proposer       | `0x76beb64eaee34eefdd747a848ba0e99faf650bc6` |
+| Governance                | `0x1b504af897af5fdf7e534a8809c88e15331814b8` |
+| Slash Factory             | `0x8b1566249dc8fb47234037538ce491f9500480b1` |
+| Fee Asset Handler         | `0x4f0376b8bcbdf72ddb38c38f48317c00e9c9aec3` |
+| Governance Staking Escrow | `0xd4b08bbb0844438a2020cd2bfc736a3f95b60458` |
 
 ### L2 Contract Addresses
 
@@ -69,4 +69,4 @@ id: try_testnet
 | Fee Juice         | `0x0000000000000000000000000000000000000000000000000000000000000005` |
 | Instance Registry | `0x0000000000000000000000000000000000000000000000000000000000000002` |
 | MultiCall         | `0x0000000000000000000000000000000000000000000000000000000000000004` |
-| Sponsored FPC     | `0x1260a43ecf03e985727affbbe3e483e60b836ea821b6305bea1c53398b986047` |
+| Sponsored FPC     | `0x19b5539ca1b104d4c3705de94e4555c9630def411f025e023a13189d0c56f8f2` |

docs/src/preprocess/include_version.js

@@ -1,7 +1,7 @@
 async function preprocessIncludeVersion(markdownContent) {
   const originalContent = markdownContent;
   const commitTag = process.env.COMMIT_TAG || "master";
-  const testnetTag = process.env.TESTNET_TAG || "0.87.8";
+  const testnetTag = process.env.TESTNET_TAG || "1.2.0";
 
   markdownContent = markdownContent.replaceAll(
     `#include_aztec_version`,