Bump multidict from 4.5.2 to 4.7.4 in /requirements

Bumps [multidict](https://github.com/aio-libs/multidict) from 4.5.2 to 4.7.4.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/multidict/compare/v4.5.2...v4.7.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements/common.txt

@@ -269,9 +269,24 @@ mohawk==1.1.0 \
 async-timeout==3.0.1 \
     --hash=sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3
 
-multidict==4.5.2 \
-    --hash=sha256:c18498c50c59263841862ea0501da9f2b3659c00db54abfbf823a80787fde8ce \
-    --hash=sha256:4a6ae52bd3ee41ee0f3acf4c60ceb3f44e0e3bc52ab7da1c2b2aa6703363a3d1
+multidict==4.7.4 \
+    --hash=sha256:93166e0f5379cf6cd29746989f8a594fa7204dcae2e9335ddba39c870a287e1c \
+    --hash=sha256:a8ed33e8f9b67e3b592c56567135bb42e7e0e97417a4b6a771e60898dfd5182b \
+    --hash=sha256:a38baa3046cce174a07a59952c9f876ae8875ef3559709639c17fdf21f7b30dd \
+    --hash=sha256:9a7b115ee0b9b92d10ebc246811d8f55d0c57e82dbb6a26b23c9a9a6ad40ce0c \
+    --hash=sha256:dcfed56aa085b89d644af17442cdc2debaa73388feba4b8026446d168ca8dad7 \
+    --hash=sha256:f29b885e4903bd57a7789f09fe9d60b6475a6c1a4c0eca874d8558f00f9d4b51 \
+    --hash=sha256:13f3ebdb5693944f52faa7b2065b751cb7e578b8dd0a5bb8e4ab05ad0188b85e \
+    --hash=sha256:4fba5204d32d5c52439f88437d33ad14b5f228e25072a192453f658bddfe45a7 \
+    --hash=sha256:a6d219f49821f4b2c85c6d426346a5d84dab6daa6f85ca3da6c00ed05b54022d \
+    --hash=sha256:63810343ea07f5cd86ba66ab66706243a6f5af075eea50c01e39b4ad6bc3c57a \
+    --hash=sha256:26502cefa86d79b86752e96639352c7247846515c864d7c2eb85d036752b643c \
+    --hash=sha256:5eee66f882ab35674944dfa0d28b57fa51e160b4dce0ce19e47f495fdae70703 \
+    --hash=sha256:527124ef435f39a37b279653ad0238ff606b58328ca7989a6df372fd75d7fe26 \
+    --hash=sha256:83c6ddf0add57c6b8a7de0bc7e2d656be3eefeff7c922af9a9aae7e49f225625 \
+    --hash=sha256:6bd10adf9f0d6a98ccc792ab6f83d18674775986ba9bacd376b643fe35633357 \
+    --hash=sha256:5414f388ffd78c57e77bd253cf829373721f450613de53dc85a08e34d806e8eb \
+    --hash=sha256:d7d428488c67b09b26928950a395e41cc72bb9c3d5abfe9f0521940ee4f796d4
 
 yarl==1.3.0 \
     --hash=sha256:024ecdc12bc02b321bc66b41327f930d1c2c543fa9a561b39861da9388ba7aa9