test: Keep test dependencies in mender-convert.

Intuitively it might make sense to keep them in mender-image-tests,
but this has problems when trying to test updates to the file, so we
resort to duplicating it instead.

Ticket: QA-464

Signed-off-by: Kristian Amlie <kristian.amlie@northern.tech>

.github/dependabot.yml

@@ -1,5 +1,12 @@
 version: 2
 updates:
+  - commit-message:
+      prefix: chore
+    directory: /tests
+    package-ecosystem: pip
+    schedule:
+      interval: monthly
+      day: saturday
   - commit-message:
       prefix: chore
     directory: /

.gitlab-ci.yml

@@ -173,7 +173,7 @@ convert_raspbian_raspberrypi4:
       awscli unzip qemu-system-x86 ovmf curl docker.io s3cmd fdisk gnupg-agent
     # Python3 dependencies
     - python3 -m pip install -U pip
-    - pip3 install --ignore-installed -r https://raw.githubusercontent.com/mendersoftware/meta-mender/master/tests/acceptance/requirements_py3.txt
+    - pip3 install --ignore-installed -r tests/requirements_py3.txt
     # Load image under test
     - export IMAGE_NAME=$DOCKER_REPOSITORY:pr
     - docker load -i image.tar

tests/requirements_py3.txt

@@ -0,0 +1,28 @@
+attrs==22.1.0
+bcrypt==4.0.0
+certifi==2022.9.24
+cffi==1.15.1
+chardet==5.0.0
+cryptography==38.0.1
+filelock==3.8.0
+idna==3.4
+iniconfig==1.1.1
+invoke==1.6.0
+packaging==21.3
+pathlib2==2.3.7.post1
+pluggy==1.0.0
+psutil==5.9.2
+py==1.11.0
+pycparser==2.21
+PyNaCl==1.5.0
+pyparsing==3.0.9
+pytest==7.1.3
+pytest-html==3.1.1
+pytest-metadata==2.0.2
+python-lzo==1.14
+PyYAML==6.0
+requests==2.28.1
+six==1.16.0
+toml==0.10.2
+ubi-reader==0.8.2
+urllib3==1.26.12