Bump feedparser from 6.0.1 to 6.0.2 in /requirements (#15836)

Bumps [feedparser](https://github.com/kurtmckee/feedparser) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/kurtmckee/feedparser/releases)
- [Changelog](https://github.com/kurtmckee/feedparser/blob/develop/CHANGELOG.rst)
- [Commits](kurtmckee/feedparser@6.0.1...6.0.2)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/prod.txt

@@ -259,9 +259,9 @@ email-reply-parser==0.5.12 \
     --hash=sha256:d051cfa8f54046f7399553aae57f17f62bf1652f83e3e9970fd109c0f24a880c \
     --hash=sha256:3499c02284679e020acf8aa30ef9e43c62f9ab5ccee0a35bfac85a0c1fa685fd \
     --hash=sha256:9dbf3eca69990932234f09e7f50aa73756574fc1f88e88c324fec1a741ee6a74
-feedparser==6.0.1 \
-    --hash=sha256:c9b436334258e718e224c5ef8a78088557e0d0382506360f702de10667ffde32 \
-    --hash=sha256:6ca88edcaa43f428345968df903a87f020843eda5e28d7ea24a612158d61e74c
+feedparser==6.0.2 \
+    --hash=sha256:f596c4b34fb3e2dc7e6ac3a8191603841e8d5d267210064e94d4238737452ddd \
+    --hash=sha256:1b00a105425f492f3954fd346e5b524ca9cef3a4bbf95b8809470e9857aa1074
 filtercascade==0.4.1 \
     --hash=sha256:1db4c2f1f628e3e399a6f3437738bdb304eb11521bf37684b56addaa5576a89f
 # funcsigs is required by mock