sagemathgh-40033: Singular 4.4.1 + Flint 3.3.2
    
Update flint and singular.
This will catch up with Conda and Homebrew, possibly other distros

(Homebrew needs Homebrew/homebrew-core#222142
merged)

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

sagemath#39943: - just not to build patch from source (if you have systemwide
patch 2.8)

sagemath#39977: - patches to allow gcc-15, etc
    
URL: sagemath#40033
Reported by: Dima Pasechnik
Reviewer(s):

Author: Release Manager

build/pkgs/flint/checksums.ini

@@ -1,4 +1,4 @@
 tarball=flint-VERSION.tar.gz
-sha1=35af6e2de8765a841952438f3c915d0505b983b6
-sha256=3259e5ecbb07ea3bebeff025f846a494087be92b0aaf0636d6e36128963cadda
+sha1=ebca3a55e48373c2eeee6c172051f3177845e121
+sha256=577d7729e4c2e79ca1e894ad2ce34bc73516a92f623d42562694817f888a17eb
 upstream_url=https://github.com/flintlib/flint/releases/download/vVERSION/flint-VERSION.tar.gz

build/pkgs/flint/package-version.txt

@@ -1 +1 @@
-3.1.3
+3.2.2

build/pkgs/singular/checksums.ini

@@ -1,4 +1,4 @@
 tarball=singular-VERSION.tar.gz
-sha1=1f678e1cc756fd8dc29dcdef5ae67441b6bcc779
-sha256=c269abbd24c84fe33edc0af1e78b8fec53d8e94338410ac06c2666cfd40d43f2
+sha1=0578f25204102ba70cb56c7543b37e98a389f22a
+sha256=6a4fbaaed05b89c35bff3b1c5e124344a088097f81affe129c9ae619b282b49b
 upstream_url=ftp://jim.mathematik.uni-kl.de/pub/Math/Singular/SOURCES/${VERSION_MAJOR}-${VERSION_MINOR}-${VERSION_MICRO}/singular-VERSION.tar.gz

build/pkgs/singular/package-version.txt

@@ -1 +1 @@
-4.4.0
+4.4.1