Upgrade pymssql

This fixes recent failures in CI, which emerged when the maintainers of
pymssql released a new version without wheels. @StevenMaude did a great
job of documenting the underlying issue in opensafely-core/ehrql#1472.

requirements.prod.txt

@@ -1,15 +1,40 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
 #
 #    pip-compile --allow-unsafe --generate-hashes --output-file=requirements.prod.txt requirements.prod.in
 #
 pymssql==2.2.8 \
+    --hash=sha256:03903bdf23a2aac26e9b772b3998efeba079fcb6fcfa6df7abc614e9afa14af0 \
+    --hash=sha256:049f2e3de919e8e02504780a21ebbf235e21ca8ed5c7538c5b6e705aa6c43d8c \
+    --hash=sha256:0dd86d8e3e346e34f3f03d12e333747b53a1daa74374a727f4714d5b82ee0dd5 \
+    --hash=sha256:2446645eb8684c0cb246a3294110455dd89a29608dfa7a58ea88aa42aa1cf005 \
+    --hash=sha256:253af3d39fc0235627966817262d5c4c94ad09dcbea59664748063470048c29c \
+    --hash=sha256:293cb4d0339e221d877d6b19a1905082b658f0100a1e2ccc9dda10de58938901 \
+    --hash=sha256:2c9d109df536dc5f7dd851a88d285a4c9cb12a9314b621625f4f5ab1197eb312 \
     --hash=sha256:30bfd7b8edef78097ccd3f52ac3f3a5c3cf0019f8a280f306cacbbb165caaf63 \
+    --hash=sha256:358d5acf0298d6618edf7fedc4ce3dc8fb5ce8a9db85e7332d5196d29d841821 \
     --hash=sha256:381d8a47c4665d99f114849bed23bcba1922c9d005accc3ac19cee8a1d3522dc \
+    --hash=sha256:3906993300650844ec140aa58772c0f5f3e9e9d5709c061334fd1551acdcf066 \
+    --hash=sha256:3933f7f082be74698eea835df51798dab9bc727d94d3d280bffc75ab9265f890 \
+    --hash=sha256:47859887adeaf184766b5e0bc845dd23611f3808f9521552063bb36eabc10092 \
+    --hash=sha256:4f365033c9b4263b74b8a332bbdf2d7d8d7230f05805439b4f3fbf0a0164acfe \
+    --hash=sha256:508226a0df7cb6faeda9f8e84e85743690ca427d7b27af9a73d75fcf0c1eef6e \
+    --hash=sha256:5c83208138f87942c5f08aa50c5fb8d89b7f15340cde58a77b08f49df277e134 \
+    --hash=sha256:63e1be8936372c07aee2405203ee0161ce76b03893cafe3d46841be9886f5ffe \
+    --hash=sha256:6b2d9c6d38a416c6f2db36ff1cd8e69f9a5387a46f9f4f612623192e0c9404b1 \
+    --hash=sha256:7309c7352e4a87c9995c3183ebfe0ff4135e955bb759109637673c61c9f0ca8d \
+    --hash=sha256:7e4538e85d7b5fb3867636391f91e9e18ac2e0aef660d25e97268e04339f2c36 \
+    --hash=sha256:821945c2214fe666fd456c61e09a29a00e7719c9e136c801bffb3a254e9c579b \
     --hash=sha256:895041edd002a2e91d8a4faf0906b6fbfef29d9164bc6beb398421f5927fa40e \
+    --hash=sha256:9b8d603cc1ec7ae585c5a409a1d45e8da067970c79dd550d45c238ae0aa0f79f \
     --hash=sha256:9baefbfbd07d0142756e2dfcaa804154361ac5806ab9381350aad4e780c3033e \
+    --hash=sha256:bf31b8b76634c826a91f9999e15b7bfb0c051a0f53b319fd56481a67e5b903bb \
+    --hash=sha256:c83ad3ad20951f3a94894b354fa5fa9666dcd5ebb4a635dad507c7d1dd545833 \
+    --hash=sha256:cc85b609b4e60eac25fa38bbac1ff854fd2c2a276e0ca4a3614c6f97efb644bb \
+    --hash=sha256:d63d6f25cf40fe6a03c49be2d4d337858362b8ab944d6684c268e4990807cf0c \
     --hash=sha256:d873e553374d5b1c57fe1c43bb75e3bcc2920678db1ef26f6bfed396c7d21b30 \
+    --hash=sha256:de313375b90b0f554058992f35c4a4beb3f6ec2f5912d8cd6afb649f95b03a9f \
     --hash=sha256:e920d6f805a525f19e770e48326a5f96b83d7b8dfd093f5b7015b54ef84bcf4c \
     --hash=sha256:ebe7f64d5278d807f14bea08951e02512bfbc6219fd4d4f15bb45ded885cf3d4
     # via -r requirements.prod.in