Update flake8 requirement from ~=6.0 to ~=6.1 (#849)

* Update flake8 requirement from ~=6.0 to ~=6.1

Updates the requirements on [flake8](https://github.com/pycqa/flake8) to permit the latest version.
- [Commits](PyCQA/flake8@6.0.0...6.1.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:development
...

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

* Add automated changelog yaml from template for bot PR

* remove extra newline from changie and workflow that generates the changie

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Github Build Bot <buildbot@fishtownanalytics.com>
Co-authored-by: Mike Alfare <13974384+mikealfare@users.noreply.github.com>
Co-authored-by: Mike Alfare <mike.alfare@dbtlabs.com>

.changes/unreleased/Dependencies-20230803-224622.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update flake8 requirement from ~=6.0 to ~=6.1"
+time: 2023-08-03T22:46:22.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 849

.github/workflows/bot-changelog.yml

@@ -57,4 +57,4 @@ jobs:
         commit_message: "Add automated changelog yaml from template for bot PR"
         changie_kind: ${{ matrix.changie_kind }}
         label: ${{ matrix.label }}
-        custom_changelog_string: "custom:\n  Author: ${{ github.event.pull_request.user.login }}\n  PR: ${{ github.event.pull_request.number }}\n"
+        custom_changelog_string: "custom:\n  Author: ${{ github.event.pull_request.user.login }}\n  PR: ${{ github.event.pull_request.number }}"

dev-requirements.txt

@@ -8,7 +8,7 @@ git+https://github.com/dbt-labs/dbt-core.git#egg=dbt-tests-adapter&subdirectory=
 black~=23.3
 bumpversion~=0.6.0
 click~=8.1
-flake8~=6.0;python_version>="3.8"
+flake8~=6.1;python_version>="3.8"
 flaky~=3.7
 freezegun~=1.2
 ipdb~=0.13.13