build(deps): bump canonicaljson from 1.6.0 to 1.6.1 in /requirements

Bumps [canonicaljson](https://github.com/matrix-org/python-canonicaljson) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/matrix-org/python-canonicaljson/releases)
- [Changelog](https://github.com/matrix-org/python-canonicaljson/blob/main/CHANGES.md)
- [Commits](matrix-org/python-canonicaljson@v1.6.0...v1.6.1)

---
updated-dependencies:
- dependency-name: canonicaljson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/requirements-ci.txt

@@ -95,7 +95,7 @@ bump2version==1.0.1
     # via -r requirements-dev.txt
 cachetools==4.2.4
     # via -r requirements-dev.txt
-canonicaljson==1.6.0
+canonicaljson==1.6.1
     # via
     #   -r requirements-dev.txt
     #   matrix-synapse

requirements/requirements-dev.txt

@@ -75,7 +75,7 @@ bump2version==1.0.1
     # via -r requirements-dev.in
 cachetools==4.2.4
     # via -r requirements.txt
-canonicaljson==1.6.0
+canonicaljson==1.6.1
     # via
     #   -r requirements.txt
     #   matrix-synapse

requirements/requirements.txt

@@ -32,7 +32,7 @@ bitarray==1.2.1
     # via eth-account
 cachetools==4.2.4
     # via -r requirements.in
-canonicaljson==1.6.0
+canonicaljson==1.6.1
     # via -r requirements.in
 certifi==2019.3.9
     # via requests