Bump aiohttp from 3.5.4 to 3.6.2 in /requirements (#5480)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.5.4 to 3.6.2.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/aiohttp/compare/v3.5.4...v3.6.2)

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

requirements/common.txt

@@ -239,8 +239,19 @@ slugid==2.0.0 \
 taskcluster==7.0.1 \
     --hash=sha256:97e19674738515e6891f4d7928280aecb2686def8b9d72a15477d7297f34c18c
 
-aiohttp==3.5.4 \
-    --hash=sha256:00d198585474299c9c3b4f1d5de1a576cc230d562abc5e4a0e81d71a20a6ca55
+aiohttp==3.6.2 \
+    --hash=sha256:1e984191d1ec186881ffaed4581092ba04f7c61582a177b187d3a2f07ed9719e \
+    --hash=sha256:50aaad128e6ac62e7bf7bd1f0c0a24bc968a0c0590a726d5a955af193544bcec \
+    --hash=sha256:65f31b622af739a802ca6fd1a3076fd0ae523f8485c52924a89561ba10c49b48 \
+    --hash=sha256:ae55bac364c405caa23a4f2d6cfecc6a0daada500274ffca4a9230e7129eac59 \
+    --hash=sha256:344c780466b73095a72c616fac5ea9c4665add7fc129f285fbdbca3cccf4612a \
+    --hash=sha256:4c6efd824d44ae697814a2a85604d8e992b875462c6655da161ff18fd4f29f17 \
+    --hash=sha256:2f4d1a4fdce595c947162333353d4a44952a724fba9ca3205a3df99a33d1307a \
+    --hash=sha256:6206a135d072f88da3e71cc501c59d5abffa9d0bb43269a6dcd28d66bfafdbdd \
+    --hash=sha256:b778ce0c909a2653741cb4b1ac7015b5c130ab9c897611df43ae6a58523cb965 \
+    --hash=sha256:32e5f3b7e511aa850829fbe5aa32eb455e5534eaa4b1ce93231d00e2f76e5654 \
+    --hash=sha256:460bd4237d2dbecc3b5ed57e122992f60188afe46e7319116da5eb8a9dfedba4 \
+    --hash=sha256:259ab809ff0727d0e834ac5e8a283dc5e3e0ecc30c4d80b3cd17a4139ce1f326
 
 mohawk==1.0.0 \
     --hash=sha256:fca4e34d8f5492f1c33141c98b96e168a089e5692ce65fb747e4bb613f5fe552