Migrate CI to deva

Author: ofek

.deva/version

@@ -0,0 +1 @@
+0.4.2

.github/actions/install-deva/action.yml

@@ -0,0 +1,25 @@
+name: Install deva
+description: Installs the defined version of deva
+inputs:
+  version:
+    description: The version of deva to install
+    required: false
+    default: ""
+  features:
+    description: A space-separated list of features to install
+    required: false
+    default: ""
+
+runs:
+  using: composite
+  steps:
+  - name: Set version
+    id: set-version
+    run: echo "version=$(cat .deva/version)" >> $GITHUB_OUTPUT
+    shell: bash
+
+  - name: Install deva
+    uses: DataDog/datadog-agent-dev@5863b9f5ae787d887ad20f326d0eb99eef2dd35e
+    with:
+      version: ${{ inputs.version || steps.set-version.outputs.version }}
+      features: ${{ inputs.features }}

.github/workflows/docs-dev.yml

@@ -36,19 +36,21 @@ jobs:
       with:
         python-version-file: .python-version
 
-    - name: Install dependencies
-      run: pip install -r tasks/requirements.txt
+    - name: Install deva
+      uses: ./.github/actions/install-deva
+      with:
+        features: legacy-tasks
 
     - name: Configure Git for GitHub Actions bot
       run: |
         git config --local user.name 'github-actions[bot]'
         git config --local user.email 'github-actions[bot]@users.noreply.github.com'
 
     - name: Validate documentation
-      run: invoke docs.build --validate
+      run: deva inv docs.build --validate
 
     - name: Build documentation
-      run: invoke docs.build
+      run: deva inv docs.build
 
     - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
       with: