Bump pymongo from 4.6.2 to 4.6.3 in /requirements

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.6.2 to 4.6.3.
- [Release notes](https://github.com/mongodb/mongo-python-driver/releases)
- [Changelog](https://github.com/mongodb/mongo-python-driver/blob/master/doc/changelog.rst)
- [Commits](mongodb/mongo-python-driver@4.6.2...4.6.3)

---
updated-dependencies:
- dependency-name: pymongo
  dependency-type: direct:production
...

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

requirements/docs.txt

@@ -13,13 +13,13 @@ beautifulsoup4==4.12.3
 blinker==1.7.0
     # via flask
 boto3==1.34.69
-    # via -r requirements/docs.in
+    # via -r docs.in
 botocore==1.34.69
     # via
     #   boto3
     #   s3transfer
 cachelib==0.12.0
-    # via -r requirements/docs.in
+    # via -r docs.in
 certifi==2023.5.7
     # via requests
 charset-normalizer==3.1.0
@@ -33,9 +33,11 @@ docutils==0.19
 flask==3.0.2
     # via flask-sqlalchemy
 flask-sqlalchemy==3.1.1
-    # via -r requirements/docs.in
+    # via -r docs.in
 furo==2024.1.29
-    # via -r requirements/docs.in
+    # via -r docs.in
+greenlet==3.0.3
+    # via sqlalchemy
 idna==3.4
     # via requests
 imagesize==1.4.1
@@ -55,21 +57,21 @@ markupsafe==2.1.2
     #   jinja2
     #   werkzeug
 mypy-boto3-dynamodb==1.34.67
-    # via -r requirements/docs.in
+    # via -r docs.in
 packaging==23.1
     # via sphinx
 pygments==2.15.1
     # via
     #   furo
     #   sphinx
 pymemcache==4.0.0
-    # via -r requirements/docs.in
-pymongo==4.6.2
-    # via -r requirements/docs.in
+    # via -r docs.in
+pymongo==4.6.3
+    # via -r docs.in
 python-dateutil==2.9.0.post0
     # via botocore
 redis==5.0.1
-    # via -r requirements/docs.in
+    # via -r docs.in
 requests==2.30.0
     # via sphinx
 s3transfer==0.10.1
@@ -82,14 +84,14 @@ soupsieve==2.5
     # via beautifulsoup4
 sphinx==7.0.0
     # via
-    #   -r requirements/docs.in
+    #   -r docs.in
     #   furo
     #   sphinx-basic-ng
     #   sphinx-favicon
 sphinx-basic-ng==1.0.0b2
     # via furo
 sphinx-favicon==1.0.1
-    # via -r requirements/docs.in
+    # via -r docs.in
 sphinxcontrib-applehelp==1.0.4
     # via sphinx
 sphinxcontrib-devhelp==1.0.2