SDL_net: ci: bump actions/checkout and don't specify ninja version

SDL Commits
1 
From 750b891019191e5298227aa737905f12d8264765 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 14 Dec 2024 21:45:46 +0100
Subject: [PATCH] ci: bump actions/checkout and don't specify ninja version

---
 .github/workflows/main.yml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index df53777..df9f3d7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -59,7 +59,7 @@ jobs:
           pkg-config \
           ${NULL+}
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup MSVC dependencies
       if: "matrix.platform.msvc"
@@ -70,8 +70,6 @@ jobs:
     - name: Setup Ninja for MSVC
       if: ${{ !contains(matrix.platform.shell, 'msys2') }}
       uses: aseprite/get-ninja@main
-      with:
-        version: 1.10.2
     - uses: ilammy/msvc-dev-cmd@v1
       if: "matrix.platform.msvc"
       with: