Updated pillow version due to security issues (thumbor#1390)

* Updated pillow version due to security issues
* Removing python 3.6 from build

.circleci/config.yml

@@ -6,46 +6,12 @@ orbs:
 workflows:
   ci:
       jobs:
-        - build-and-test-python36
         - build-and-test-python37
         - build-and-test-python38
         - build-and-test-python39
         - build-and-test-python310
 
 jobs:
-  build-and-test-python36:
-    working_directory: /app
-    docker:
-      - image: thumbororg/thumbor-test:36
-    steps:
-      - checkout
-      - run:
-          name: Update dependencies
-          command: make setup
-      - run:
-          name: Compile Extensions
-          command: make compile_ext
-      - run:
-          name: Redis
-          command: make redis
-      - run:
-          name: Run Unit Tests
-          command: make sequential-unit
-      - store_test_results: # Upload test results for display in Test Summary: https://circleci.com/docs/2.0/collect-test-data/
-          path: test-results
-      - store_artifacts: # Upload test summary for display in Artifacts: https://circleci.com/docs/2.0/artifacts/
-          path: test-results
-          destination: tr1
-      - run:
-          name: Run Integration Tests
-          command: env ASYNC_TEST_TIMEOUT=30 make integration_run
-      - run:
-          name: Lint
-          command: make flake pylint
-      - run:
-          name: Coverage
-          command: env COVERALLS_REPO_TOKEN=$COVERALLS_REPO_TOKEN coveralls
-
   build-and-test-python37:
     working_directory: /app
     docker:

.github/workflows/build.yml

@@ -7,7 +7,6 @@ jobs:
       fail-fast: false
       matrix:
         image-tag:
-          - 36
           - 37
           - 38
           - 39

Makefile

@@ -154,21 +154,11 @@ sample_images:
 	# the watermark filter's logic is too complicated to reproduce with IM, the watermark test images can't be generated here
 	# similarly, the noise, colorize, redeye and fill filters generate output too unique to be reproduce with IM and can't be generated here
 
-test-docker-build: test-docker-36-build test-docker-37-build test-docker-38-build test-docker-39-build test-docker310-build
+test-docker-build: test-docker-37-build test-docker-38-build test-docker-39-build test-docker310-build
 
-test-docker-run: test-docker-36-run test-docker-37-run test-docker-38-run test-docker-39-run test-docker-310-run
+test-docker-run: test-docker-37-run test-docker-38-run test-docker-39-run test-docker-310-run
 
-test-docker-publish: test-docker-36-publish test-docker-37-publish test-docker-38-publish test-docker-39-publish test-docker-310-publish
-
-test-docker-36-build:
-	@docker build -f TestDockerfile36 -t thumbor-test-36 .
-
-test-docker-36-run:
-	@docker run -v "$$(pwd):/app" thumbororg/thumbor-test:36 make compile_ext redis sequential-unit integration flake
-
-test-docker-36-publish:
-	@docker image tag thumbor-test-36:latest thumbororg/thumbor-test:36
-	@docker push thumbororg/thumbor-test:36
+test-docker-publish: test-docker-37-publish test-docker-38-publish test-docker-39-publish test-docker-310-publish
 
 test-docker-37-build:
 	@docker build -f TestDockerfile37 -t thumbor-test-37 .

setup.py

@@ -117,7 +117,7 @@ def run_setup(extension_modules=None):
             "derpconf==0.*,>=0.8.3",
             "libthumbor==2.*,>=2.0.0",
             "opencv-python-headless==4.*,>=4.2.0",
-            "Pillow>=8.4.0,<9",
+            "Pillow>=9.0.0",
             "pytz>=2019.3.0",
             "statsd==3.*,>=3.3.0",
             "socketfromfd>=0.2.0",