Bump responses from 0.11.0 to 0.12.0 in /requirements (#15381)

Bumps [responses](https://github.com/getsentry/responses) from 0.11.0 to 0.12.0.
- [Release notes](https://github.com/getsentry/responses/releases)
- [Changelog](https://github.com/getsentry/responses/blob/master/CHANGES)
- [Commits](https://github.com/getsentry/responses/compare/0.11.0...0.12.0)

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

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

requirements/tests.txt

@@ -48,9 +48,9 @@ freezegun==0.3.15 \
     --hash=sha256:e2062f2c7f95cc276a834c22f1a17179467176b624cc6f936e8bc3be5535ad1b
 cookies==2.2.1 \
     --hash=sha256:15bee753002dff684987b8df8c235288eb8d45f8191ae056254812dfd42c81d3
-responses==0.11.0 \
-    --hash=sha256:789e79e8d04b6338b5018d49663e7c8554492ea1469012572aff064cc7bcf4da \
-    --hash=sha256:17dcd2facb12182ec353b05b424b2e3f52783f0bf3ad6586e098a11ba75fa666
+responses==0.12.0 \
+    --hash=sha256:0de50fbf600adf5ef9f0821b85cc537acca98d66bc7776755924476775c1989c \
+    --hash=sha256:e80d5276011a4b79ecb62c5f82ba07aa23fb31ecbc95ee7cad6de250a3c97444
 PyYAML==5.3.1 \
     --hash=sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97 \
     --hash=sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76 \