docs: update CHANGELOG and documentation for GLIBC compatibility fix

Update CHANGELOG entry for PR #1249 to include GLIBC compatibility fix and
update getting-started documentation to reflect that full test suite runs
on ubuntu-22.04 for container compatibility.

Author: dannywillems

CHANGELOG.md

@@ -44,8 +44,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - **CI**: Generalized build jobs to support multiple platforms (Ubuntu 22.04,
-  Ubuntu 24.04, Ubuntu 24.04 ARM, macOS latest) and updated test execution to
-  ubuntu-latest ([#1249](https://github.com/o1-labs/openmina/pull/1249))
+  Ubuntu 24.04, Ubuntu 24.04 ARM, macOS latest), updated test execution to
+  ubuntu-latest, and fixed GLIBC compatibility for scenario tests by using
+  Ubuntu 22.04 for test binary artifacts to ensure compatibility with Debian
+  Bullseye container environment ([#1249](https://github.com/o1-labs/openmina/pull/1249))
 - **Build System**: Enhanced Makefile with documentation-related targets and comprehensive formatting commands ([#1234](https://github.com/o1-labs/openmina/pull/1234))
 ### Fixed
 

website/docs/developers/getting-started.mdx

@@ -32,7 +32,7 @@ development environment and build OpenMina from source.
   - macOS (latest)
   - Other Linux distributions may work but are not officially supported
   - Note: While we test compilation on all platforms, the full test suite is
-    only run on ubuntu-24.04
+    only run on ubuntu-22.04 (for GLIBC compatibility with container tests)
 - **Memory**: At least 8GB RAM (16GB recommended)
 - **Storage**: At least 20GB free space
 - **Network**: Stable internet connection for downloading dependencies