CMake: fmt library version info is not listed in build log

[luzpaz]

::    ==============
::      Libraries
::    ==============
::
:: -- Boost:                       1.74.0
:: -- Coin3D:                      4.0.0 [/usr/lib/x86_64-linux-gnu/libCoin.so] [/usr/include]
:: -- Coin3D_DOC:                  not found
:: -- DesignerPlugin:              not built (BUILD_DESIGNER_PLUGIN is OFF)
:: -- Doxygen:                     not found
:: -- Eigen3:                      3.4.0
:: -- fmt:                         Sources downloaded to /home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/build/_deps/fmt-src
:: -- Freetype:                    2.11.1
:: -- HDF5:                        1.10.7
:: -- Matplotlib:                  not found
:: -- MEDFile:                     4.1.0 [/usr/lib/x86_64-linux-gnu/libmedC.so] [/usr/include]
:: -- NETGEN:                      not enabled
:: -- OCC:                         7.7.1 [/home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/install/usr/lib] [/home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/install/usr/include/opencascade]
:: -- OCC_Libs:                    [TKFillet;TKMesh;TKernel;TKG2d;TKG3d;TKMath;TKIGES;TKSTL;TKShHealing;TKXSBase;TKBool;TKBO;TKBRep;TKTopAlgo;TKGeomAlgo;TKGeomBase;TKOffset;TKPrim;TKSTEPBase;TKSTEPAttr;TKSTEP209;TKSTEP;TKHLR;TKFeat]
:: -- OpenGL_Lib:                  [/usr/lib/x86_64-linux-gnu/libGL.so]
:: -- OpenGLU_Incl:                [/usr/include]
:: -- OpenGLU_Lib:                 [/usr/lib/x86_64-linux-gnu/libGLU.so]
:: -- pivy:                        -undefined-
:: -- pybind11:                    2.9.1
:: -- PYCXX:                       7.1.7 Incl: /home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/src/src Src:/home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/src/src/CXX
:: -- PySide:                      5.15.10 [/usr/lib/../include/PySide2]
:: -- PySideTools:                 v: 2  uic: [/snap/kf5-5-108-qt-5-15-10-core22-sdk/current/usr/lib/qt5/bin/uic]  rcc: [/snap/kf5-5-108-qt-5-15-10-core22-sdk/current/usr/lib/qt5/bin/rcc]
:: -- QtConcurrent:                5.15.10
:: -- QtCore:                      5.15.10
:: -- QtNetwork:                   5.15.10
:: -- QtOpenGL:                    5.15.10
:: -- QtPrintSupport:              5.15.10
:: -- QtSvg:                       5.15.10
:: -- QtTest:                      5.15.10
:: -- QtUiTools:                   5.15.10
:: -- QtWebEngineWidgets:          5.15.14
:: -- QtWidgets:                   5.15.10
:: -- QtXml:                       5.15.10
:: -- Rift:                        not enabled (BUILD_VR)
:: -- Shiboken:                    5.15.10 [/usr/lib/../include/shiboken2;/usr/include/python3.10]
:: -- SMESH:                       7.7.1.0 build internal
:: -- SPNAV:                       [/usr/lib/libspnav.so] [/usr/include]
:: -- SWIG:                        4.0.2
:: -- VTK:                         7.1.1
:: -- XercesC:                     3.2.3 [/usr/lib/x86_64-linux-gnu/libxerces-c.so] [/usr/include]
:: -- ZLIB:                        1.2.11

Specifically:

:: -- fmt:                         Sources downloaded to /home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/build/_deps/fmt-src

ref: https://github.com/FreeCAD/FreeCAD-snap/actions/runs/5862165597/job/15893539114#step:4:519

[luzpaz]

This is still the case for current edge build as of today.

:: -- fmt was downloaded using FetchContent into /home/runner/work/FreeCAD-snap/FreeCAD-snap/parts/freecad/build/_deps/fmt-src

ref: https://github.com/FreeCAD/FreeCAD-snap/actions/runs/12661843089/job/35285745525#step:4:1157