sagemathgh-38501: `build/pkgs/cython`: Update to 3.0.11
    
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Various bug fixes, preparation for Python 3.13 -
https://cython.readthedocs.io/en/latest/src/changes.html#id2

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### ⌛ Dependencies

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- Depends on sagemath#38500 (merged here)
    
URL: sagemath#38501
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee

Author: Release Manager

build/pkgs/cython/checksums.ini

@@ -1,4 +1,4 @@
-tarball=Cython-VERSION.tar.gz
-sha1=83d6428e3bb7869f44f92ed75d7dff867c2a38ce
-sha256=dcc96739331fb854dcf503f94607576cfe8488066c61ca50dfd55836f132de99
-upstream_url=https://pypi.io/packages/source/C/Cython/Cython-VERSION.tar.gz
+tarball=cython-VERSION.tar.gz
+sha1=f692b0c6f209b75b6bbd69bdbd57fac23785c23e
+sha256=7146dd2af8682b4ca61331851e6aebce9fe5158e75300343f80c07ca80b1faff
+upstream_url=https://pypi.io/packages/source/c/cython/cython-VERSION.tar.gz

build/pkgs/cython/package-version.txt

@@ -1 +1 @@
-3.0.10
+3.0.11