gh-36647: fix random doctest error in src/sage/rings/polynomial/skew_polynomial_finite_field.pyx

Fixes #36646.

Add `# random` tag to a doctest to avoid random failure reported in
#36646.

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URL: #36647
Reported by: David Coudert
Reviewer(s): Frédéric Chapoton

Author: Release Manager

build/pkgs/configure/checksums.ini

@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=0f90c993748bfc21ae382ac3ce6c19b434edb36c
-md5=b8d9355c732997566f68b60c8a8eb9cc
-cksum=2280021929
+sha1=75db52b3b9bc744c79bd958dfecc7e90bbf4591e
+md5=ee29fe6ac8fed617f118dd9f546eee19
+cksum=2457963166

build/pkgs/configure/package-version.txt

@@ -1 +1 @@
-c0221f90a86e4b4bea4b45ff8de54727313bd755
+ec00fc5c59415d7f6c8c139749c7b0c81f100e1a

src/sage/rings/polynomial/skew_polynomial_finite_field.pyx

@@ -1079,7 +1079,7 @@ cdef class SkewPolynomial_finite_field_dense(SkewPolynomial_finite_order_dense):
         we can get different orderings::
 
             sage: factorizations2 = [ F for F in a.factorizations() ]
-            sage: factorizations == factorizations2
+            sage: factorizations == factorizations2  # random
             False
             sage: sorted(factorizations) == sorted(factorizations2)
             True