[DOCS] fix tutorials for v2.0 (#422)

- Fix meta-parameter usage on tutorials.
- Install tutorial dependencies on CI.
- Switch from `requirements-test.txt` to `extras_require` for test dependencies, and also use it for tutorial dependencies.
- Make some performance tests deterministic.

.github/workflows/documentation.yml

@@ -25,7 +25,7 @@ jobs:
         run: |
           alias python='python3'
           cd python
-          pip3 install -e .
+          pip3 install -e '.[tutorials]'
 
       - name: Build docs
         run: |
@@ -39,4 +39,4 @@ jobs:
           eval `ssh-agent -s`
           DISPLAY=:0 SSH_ASKPASS=~/.ssh/give_pass.sh ssh-add ${{ secrets.SSH_KEY }} <<< ${{ secrets.SSH_PASS }}
           git remote set-url origin git@github.com:openai/triton.git
-          git push
+          git push

.github/workflows/integration-tests.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           alias python='python3'
           cd python
-          pip3 install -e .
+          pip3 install -e '.[tests]'
 
       - name: Unit tests
         run: |
@@ -44,4 +44,3 @@ jobs:
           pytest -vs .
           sudo nvidia-smi -i 0 -rgc
           sudo nvidia-smi -i 0 -rmc
-