chore: update devnet version to v0.12.1 (#245)

* chore: update devnet version to v0.12.1

* docs: update readme to v0.12.1 devnet

* chore: update celestia description

* chore: update celestia-node to v0.12.0

README.md

@@ -6,7 +6,7 @@
   <br />
   <h3>+</h3>
   <a href="https://celestia.org"><img alt="Celestia" src="docs/op-stack/src/assets/docs/understand/Celestia-logo-color-color.svg" width=600></a>
-  <h3><a href="https://celestia.org">Celestia</a> is a modular consensus and data network, built to enable anyone to easily deploy their own blockchain with minimal overhead.</h3>
+  <h3><a href="https://celestia.org">Celestia</a> is a modular data availability network that securely scales with the number of users, making it easy for anyone to launch their own blockchain.</h3>
   <br />
 </div>
 
@@ -66,7 +66,7 @@ Celestia as the data availability (DA) layer.
 Currently, the tests assume a working [Celestia devnet](https://github.com/rollkit/local-celestia-devnet) running locally:
 
 ```bash
-docker run --platform linux/amd64 -p 26658:26658 ghcr.io/rollkit/local-celestia-devnet:v0.11.0-rc8
+docker run --platform linux/amd64 -p 26658:26658 ghcr.io/rollkit/local-celestia-devnet:v0.12.1
 ```
 
 The e2e tests can be triggered with:

ops-bedrock/docker-compose-testnet.yml

@@ -37,7 +37,7 @@ services:
     #container_name: celestia-light-node
     user: root
     platform: "${PLATFORM}"
-    image: "ghcr.io/celestiaorg/celestia-node:v0.11.0"
+    image: "ghcr.io/celestiaorg/celestia-node:v0.12.0"
     command: celestia light start --core.ip rpc-mocha.pops.one --p2p.network mocha --log.level debug --gateway
     environment:
       - NODE_TYPE=light

ops-bedrock/docker-compose.yml

@@ -22,7 +22,7 @@ services:
     entrypoint: ["echo", "build complete"]
   da:
     platform: linux/x86_64
-    image: "ghcr.io/rollkit/local-celestia-devnet:v0.11.0"
+    image: "ghcr.io/rollkit/local-celestia-devnet:v0.12.1"
     ports:
       - "26657:26657"
       - "26658:26658"