gh-40291: Prevent segfault on GF(2^e) dense matrix row/column swap

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There is currently a problem with n x 0 and 0 x n matrices over GF(2^e).
When performing row or column swaps, a segmentation fault is produced.
The underlying issue seems to be within the M4RI library. Although the
existing library code already has checks for these, they seem to be
failing. A simple example to reproduce the problem is:

sage: matrix.zero(GF(4),2,0).with_permuted_rows(Permutation([2,1]))

The issue may be avoided in Sage by only performing swaps on non-empty
rows and columns. I have added a simple condition to the swap logic for
matrix_gf2e_dense

Related issue raised in M4RI: malb/m4ri#32

### 📝 Checklist

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

### ⌛ Dependencies

None

URL: #40291
Reported by: Biffo89
Reviewer(s): Vincent Neiger

Author: Release Manager

build/pkgs/configure/checksums.ini

@@ -1,3 +1,3 @@
 tarball=configure-VERSION.tar.gz
-sha1=4e6ce95200c2209e5c4b0dc0c63b4c651d8a8821
-sha256=1854bd4325f94c25e4b5d13e0111892a145ec6e21bfe9836b0bcce06e1651b5f
+sha1=e36e22c26c8fbb4f64e5e59bd09f784acbd17eb5
+sha256=3787149372622b97561b0810c1a7f4d472c2a02696b5234e0da6ed4120ca9eb4

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-10c19f1b79e14df2b856ba710d7b170e853b7bcb
+7f00f18349dd96ecfaae4c8b8a155f2978221bfc

src/sage/matrix/matrix_gf2e_dense.pyx

@@ -1085,6 +1085,8 @@ cdef class Matrix_gf2e_dense(matrix_dense.Matrix_dense):
             sage: B[2] == A[2]
             True
         """
+        if self._ncols == 0:
+            return
         mzed_row_swap(self._entries, row1, row2)
 
     cdef swap_columns_c(self, Py_ssize_t col1, Py_ssize_t col2):
@@ -1123,6 +1125,8 @@ cdef class Matrix_gf2e_dense(matrix_dense.Matrix_dense):
             sage: A.column(14) == B.column(0)
             True
         """
+        if self._nrows == 0:
+            return
         mzed_col_swap(self._entries, col1, col2)
 
     def augment(self, right):