Bump-up scipy to version 1.8.1

We were still using a RC.

Contributes to CURA-9365

requirements.txt

@@ -61,14 +61,16 @@ pyclipper==1.3.0.post2; \
     --hash=sha256:5175ee50772a7dcc0feaab19ccf5b979b6066f4753edb330700231cf70d0c918 \
     --hash=sha256:19a6809d9cbd535d0fe922e9315babb8d70b5c7dcd43e0f89740d09c406b40f8 \
     --hash=sha256:5c5d50498e335d7f969ca5ad5886e77c40088521dcabab4feb2f93727140251e
-scipy==1.8.0rc2; \
-    --hash=sha256:d73b13eb0452c178f946b4db60b27e400225df02e926609652ed67798054e77d \
-    --hash=sha256:8db99b6c017ab971b04a0781103a31ce745d4f0ac2b7db999523d4a94549ae15 \
-    --hash=sha256:739ee3f6688c96516248f88725bbe1f241f3e0ab708f5eda98e2a9fe5cf38fba \
-    --hash=sha256:aa31ae8d8cf0abba07bc795f75b1aacf46b6136be22eefb4435040386f0f2bec \
-    --hash=sha256:4035b0f70d1bdbfe143005bb1033938529f684c0b93b4a90c2f59bbd88bcd0d3 \
-    --hash=sha256:d6ccda8592a30120ea4c3ab669a10ab6e0c45284df9066b6583165d5092e75a7 \
-    --hash=sha256:94a33efa21cffc5c3f8d416c0c1c79914019b9e3a82b5461176e4dc1c42218ea
+scipy==1.8.1; \
+    --hash=sha256:9e3fb1b0e896f14a85aa9a28d5f755daaeeb54c897b746df7a55ccb02b340f33 \
+    --hash=sha256:4e53a55f6a4f22de01ffe1d2f016e30adedb67a699a310cdcac312806807ca81 \
+    --hash=sha256:a0aa8220b89b2e3748a2836fbfa116194378910f1a6e78e4675a095bcd2c762d \
+    --hash=sha256:02b567e722d62bddd4ac253dafb01ce7ed8742cf8031aea030a41414b86c1125 \
+    --hash=sha256:65b77f20202599c51eb2771d11a6b899b97989159b7975e9b5259594f1d35ef4 \
+    --hash=sha256:9dd4012ac599a1e7eb63c114d1eee1bcfc6dc75a29b589ff0ad0bb3d9412034f \
+    --hash=sha256:70de2f11bf64ca9921fda018864c78af7147025e467ce9f4a11bc877266900a6 \
+    --hash=sha256:83606129247e7610b58d0e1e93d2c5133959e9cf93555d3c27e536892f1ba1f2 \
+    --hash=sha256:f3e7a8867f307e3359cc0ed2c63b61a1e33a19080f92fe377bc7d49f646f2ec1
 trimesh==3.9.36 \
     --hash=sha256:f01e8edab14d1999700c980c21a1546f37417216ad915a53be649d263130181e \
     --hash=sha256:8ac8bea693b3ee119f11b022fc9b9481c9f1af06cb38bc859bf5d16bbbe49b23