Bump boto3 from 1.12.21 to 1.12.23 (pypi#7557)

Bumps [boto3](https://github.com/boto/boto3) from 1.12.21 to 1.12.23.
- [Release notes](https://github.com/boto/boto3/releases)
- [Changelog](https://github.com/boto/boto3/blob/develop/CHANGELOG.rst)
- [Commits](boto/boto3@1.12.21...1.12.23)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

requirements/main.txt

@@ -54,9 +54,9 @@ billiard==3.6.3.0 \
 bleach==3.1.3 \
     --hash=sha256:53165a6596e7899c4338d847315fec508110a53bd6fd15c127c2e0d0860264e3 \
     --hash=sha256:f8dfd8a7e26443e986c4e44df31870da8e906ea61096af06ba5d5cc2d519842a
-boto3==1.12.21 \
-    --hash=sha256:50105a25e301e20b361b2b8fafee196a425a4758e51f400a0f381d42e4bd909e \
-    --hash=sha256:5fe70e656f92e4e649dc4cf05786f57d180e5d491bcb22c80411512ec2b27c15
+boto3==1.12.23 \
+    --hash=sha256:0080ea1cce4c87d9f1e4e47fed4b994451b0022fcf6e120d1fb653eb3874506d \
+    --hash=sha256:a3a89a254b068dbcc23298dea11d15b9e6e19f825290ebe43fcf4ccbbe423994
 botocore==1.15.23 \
     --hash=sha256:5b6bf68bd484fbf83e27f56a0a92e38cee223b689121c1184a0292311b88f888 \
     --hash=sha256:e4fc86574043b20267f863b9168bd1c9ed50a53f0f7222ce8c99f64355174515