chore: Configure Renovate (#280)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Andrew Azores <me@andrewazor.es>

Author: renovate[bot]

.github/CODEOWNERS

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+* @cryostatio/reviewers

.github/labeler.yml

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+needs-triage:
+  - changed-files:
+    - any-glob-to-any-file: '*'

.github/renovate.json

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+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    ":dependencyDashboard"
+  ],
+  "reviewersFromCodeOwners": true,
+  "labels": [
+    "dependencies",
+    "chore",
+    "safe-to-test"
+  ],
+  "semanticCommits": "enabled",
+  "major": {
+    "dependencyDashboardApproval": true
+  },
+  "stopUpdatingLabel": "blocked"
+}

.github/workflows/labeler.yml

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+name: Label pull request
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+
+jobs:
+  triage:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/labeler@v6
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"