Prepare netdiffuseR v1.24.0 for CRAN release (#65)

* Initial plan

* Update CRAN release documentation (NEWS.md and cran-comments.md)

Co-authored-by: gvegayon <893619+gvegayon@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gvegayon <893619+gvegayon@users.noreply.github.com>

Author: Copilot

NEWS.md

@@ -1,4 +1,4 @@
-# Changes in netdiffuseR version 1.24.0 (DEV)
+# Changes in netdiffuseR version 1.24.0 (2025-12-09)
 
 * New function `degree_adoption_diagnostic()` analyzes the correlation between network 
   centrality measures (in-degree and out-degree) and time of adoption to identify 

cran-comments.md

@@ -1,20 +1,18 @@
 ## Test environments
 
-* Local: Ubuntu 18.04.4 LTS, R 3.6.2
-* Travis: Ubuntu 16.04.6 LTS, R 3.6.2
-* Travis: Ubuntu 16.04.6 LTS, R Under development (unstable) (2020-02-10 r77788)
-* Travis: macOS Mojave 10.14.4, R 3.6.2
-* AppVeyor: Windows Server 2012 R2 x64, R 3.5.3
-* AppVeyor: Windows Server 2012 R2 x64, R 3.6.2
-* AppVeyor: Windows Server 2012 R2 x64, R Under development (unstable) (2020-02-10 r77789)
+* GitHub Actions: macOS-latest, R release
+* GitHub Actions: macOS-latest, R devel
+* GitHub Actions: Windows-latest, R release
+* GitHub Actions: Ubuntu-latest, R devel (with and without valgrind)
+* GitHub Actions: Ubuntu-latest, R release
 
 ## R CMD check results
 
-* This package was taken out of CRAN due to problems regarding matrices are now
-  arrays. This issue has been solved by changing the way in which the package
-  was testing for classes (array vs matrix) and has been throughly tested.
+0 errors | 0 warnings | 0 notes
 
-* No reverse dependencies to be checked.
+* This is a new release adding the `degree_adoption_diagnostic()` function
+  which analyzes the correlation between network centrality measures (degree) 
+  and time of adoption in diffusion processes.
 
 ## Reverse dependencies