Switch to Boost 1.88.0

Upon checking https://github.com/MarkusJx/prebuilt-boost/blob/6a129c5a2742fb0d0834ff0e439f0e7877488a37/versions-manifest.json (main branch at the moment of this commit)
there is no entry with `Boost 1.87.0` + `ubuntu 24.04`.
On the other hand entry 1.88.0+24.04 exists.

Author: ngrodzitski

.github/workflows/ci.yml

@@ -164,7 +164,7 @@ jobs:
         uses: MarkusJx/[email protected]
         id: install-boost
         with:
-            boost_version: 1.87.0
+            boost_version: 1.88.0
             boost_install_dir: ${{github.workspace}}/local_boost
             toolset: ${{ matrix.build_settings.toolset }}
             platform_version: 24.04
@@ -213,7 +213,7 @@ jobs:
             --no-compress-output
 
 
-  Build-Macos:
+  # Build-Macos:
     # The type of runner that the job will run on
     name: macos-15 (${{ matrix.build_type }}, C++${{ matrix.cppstd }})
     runs-on: macos-15