build(deps): bump marshmallow from 3.14.0 to 3.15.0 in /requirements

Bumps [marshmallow](https://github.com/marshmallow-code/marshmallow) from 3.14.0 to 3.15.0.
- [Release notes](https://github.com/marshmallow-code/marshmallow/releases)
- [Changelog](https://github.com/marshmallow-code/marshmallow/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/marshmallow@3.14.0...3.15.0)

---
updated-dependencies:
- dependency-name: marshmallow
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements/requirements-ci.txt

@@ -362,7 +362,7 @@ markupsafe==2.0.1
     # via
     #   -r requirements-dev.txt
     #   jinja2
-marshmallow==3.14.0
+marshmallow==3.15.0
     # via
     #   -r requirements-dev.txt
     #   marshmallow-dataclass
@@ -435,6 +435,7 @@ packaging==21.3
     # via
     #   -r requirements-dev.txt
     #   bleach
+    #   marshmallow
     #   pytest
 parsimonious==0.8.1
     # via

requirements/requirements-dev.txt

@@ -320,7 +320,7 @@ markupsafe==2.0.1
     # via
     #   -r requirements.txt
     #   jinja2
-marshmallow==3.14.0
+marshmallow==3.15.0
     # via
     #   -r requirements.txt
     #   marshmallow-dataclass
@@ -388,6 +388,7 @@ packaging==21.3
     # via
     #   -r requirements.txt
     #   bleach
+    #   marshmallow
     #   pytest
 parsimonious==0.8.1
     # via

requirements/requirements.txt

@@ -161,7 +161,7 @@ lru-dict==1.1.6
     # via web3
 markupsafe==2.0.1
     # via jinja2
-marshmallow==3.14.0
+marshmallow==3.15.0
     # via
     #   -r requirements.in
     #   marshmallow-dataclass
@@ -200,7 +200,9 @@ opentracing==2.3.0
     #   jaeger-client
     #   requests-opentracing
 packaging==21.3
-    # via -r requirements.in
+    # via
+    #   -r requirements.in
+    #   marshmallow
 parsimonious==0.8.1
     # via eth-abi
 protobuf==3.15.0