MAINT Update what's new for 1.3.0 final release (scikit-learn#26730)

Author: jeremiedbb

doc/templates/index.html

@@ -169,6 +169,8 @@ <h4 class="sk-landing-call-header">News</h4>
         <li><strong>On-going development:</strong>
         <a href="https://scikit-learn.org/dev/whats_new.html"><strong>What's new</strong> (Changelog)</a>
         </li>
+        <li><strong>June 2023.</strong> scikit-learn 1.3.0 is available for download (<a href="whats_new/v1.3.html#version-1-3-0">Changelog</a>).
+        </li>
         <li><strong>March 2023.</strong> scikit-learn 1.2.2 is available for download (<a href="whats_new/v1.2.html#version-1-2-2">Changelog</a>).
         </li>
         <li><strong>January 2023.</strong> scikit-learn 1.2.1 is available for download (<a href="whats_new/v1.2.html#version-1-2-1">Changelog</a>).

doc/whats_new/v1.3.rst

@@ -7,7 +7,7 @@
 Version 1.3.0
 =============
 
-**In Development**
+**June 2023**
 
 .. include:: changelog_legend.inc
 
@@ -770,4 +770,40 @@ Code and Documentation Contributors
 Thanks to everyone who has contributed to the maintenance and improvement of
 the project since version 1.2, including:
 
-TODO: update at the time of the release.
+2357juan, Abhishek Singh Kushwah, Adam Handke, Adam Kania, Adam Li, adienes,
+Admir Demiraj, adoublet, Adrin Jalali, A.H.Mansouri, Ahmedbgh, Ala-Na, Alex
+Buzenet, AlexL, Ali H. El-Kassas, amay, András Simon, André Pedersen, Andrew
+Wang, Ankur Singh, annegnx, Ansam Zedan, Anthony22-dev, Artur Hermano, Arturo
+Amor, as-90, ashah002, Ashish Dutt, Ashwin Mathur, AymericBasset, Azaria
+Gebremichael, Barata Tripramudya Onggo, Benedek Harsanyi, Benjamin Bossan,
+Bharat Raghunathan, Binesh Bannerjee, Boris Feld, Brendan Lu, Brevin Kunde,
+cache-missing, Camille Troillard, Carla J, carlo, Carlo Lemos, c-git, Changyao
+Chen, Chiara Marmo, Christian Lorentzen, Christian Veenhuis, Christine P. Chai,
+crispinlogan, Da-Lan, DanGonite57, Dave Berenbaum, davidblnc, david-cortes,
+Dayne, Dea María Léon, Denis, Dimitri Papadopoulos Orfanos, Dimitris
+Litsidis, Dmitry Nesterov, Dominic Fox, Dominik Prodinger, Edern, Ekaterina
+Butyugina, Elabonga Atuo, Emir, farhan khan, Felipe Siola, futurewarning, Gael
+Varoquaux, genvalen, Gleb Levitski, Guillaume Lemaitre, gunesbayir, Haesun
+Park, hujiahong726, i-aki-y, Ian Thompson, Ido M, Ily, Irene, Jack McIvor,
+jakirkham, James Dean, JanFidor, Jarrod Millman, JB Mountford, Jérémie du
+Boisberranger, Jessicakk0711, Jiawei Zhang, Joey Ortiz, JohnathanPi, John
+Pangas, Joshua Choo Yun Keat, Joshua Hedlund, JuliaSchoepp, Julien Jerphanion,
+jygerardy, ka00ri, Kaushik Amar Das, Kento Nozawa, Kian Eliasi, Kilian Kluge,
+Lene Preuss, Linus, Logan Thomas, Loic Esteve, Louis Fouquet, Lucy Liu, Madhura
+Jayaratne, Marc Torrellas Socastro, Maren Westermann, Mario Kostelac, Mark
+Harfouche, Marko Toplak, Marvin Krawutschke, Masanori Kanazu, mathurinm, Matt
+Haberland, Max Halford, maximeSaur, Maxwell Liu, m. bou, mdarii, Meekail Zain,
+Mikhail Iljin, murezzda, Nawazish Alam, Nicola Fanelli, Nightwalkx, Nikolay
+Petrov, Nishu Choudhary, NNLNR, npache, Olivier Grisel, Omar Salman, ouss1508,
+PAB, Pandata, partev, Peter Piontek, Phil, pnucci, Pooja M, Pooja Subramaniam,
+precondition, Quentin Barthélemy, Rafal Wojdyla, Raghuveer Bhat, Rahil Parikh,
+Ralf Gommers, ram vikram singh, Rushil Desai, Sadra Barikbin, SANJAI_3, Sashka
+Warner, Scott Gigante, Scott Gustafson, searchforpassion, Seoeun
+Hong, Shady el Gewily, Shiva chauhan, Shogo Hida, Shreesha Kumar Bhat, sonnivs,
+Sortofamudkip, Stanislav (Stanley) Modrak, Stefanie Senger, Steven Van
+Vaerenbergh, Tabea Kossen, Théophile Baranger, Thijs van Weezel, Thomas A
+Caswell, Thomas Germer, Thomas J. Fan, Tim Head, Tim P, Tom Dupré la Tour,
+tomiock, tspeng, Valentin Laurent, Veghit, VIGNESH D, Vijeth Moudgalya, Vinayak
+Mehta, Vincent M, Vincent-violet, Vyom Pathak, William M, windiana42, Xiao
+Yuan, Yao Xiao, Yaroslav Halchenko, Yotam Avidar-Constantini, Yuchen Zhou,
+Yusuf Raji, zeeshan lone