Second attempt at gcc 12.3 (#1292)

Fixes #1271

.github/workflows/update_docker_ci.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   build_and_push:
     name: Build and push docker image
-    runs-on: [self-hosted, Linux]
+    runs-on: [self-hosted, Linux, x-heavy]
     steps:
       - name: Login to DockerHub
         uses: docker/login-action@v3
@@ -27,7 +27,7 @@ jobs:
           images: rippleci/clio_ci
           tags: |
             type=raw,value=latest
-            type=raw,value=gcc_11
+            type=raw,value=gcc_12
             type=raw,value=${{ env.GITHUB_SHA }}
 
       - name: Build and push

docs/build-clio.md

@@ -12,7 +12,7 @@ Clio is built with [CMake](https://cmake.org/) and uses [Conan](https://conan.io
 
 | Compiler    | Version |
 |-------------|---------|
-| GCC         | 12      |
+| GCC         | 12.3    |
 | Clang       | 16      |
 | Apple Clang | 15      |