Configures renovate to cover v1.5; adds v1.5 scheduled CI runs

.github/renovate.json5

@@ -20,15 +20,24 @@
   "packageRules": [
     // Later rules override earlier rules
     {
+      "matchBaseBranches": ["main", "v*"],
       "matchManagers": ["pep621"],
       "rangeStrategy": "bump",
       "groupName": "Python dependencies"
     },
     {
+      // Bumping "pytest-asyncio" over 0.23 breaks the integration tests
+      "matchPackageNames": ["pytest-asyncio"],
+      "matchUpdateTypes": ["minor"],
+      "enabled": false
+    },
+    {
+      "matchBaseBranches": ["main", "v*"],
       "matchManagers": ["github-actions"],
       "groupName": "GitHub actions"
     },
     {
+      "matchBaseBranches": ["main", "v*"],
       "matchManagers": ["terraform"],
       "groupName": "Terraform"
     },

.github/workflows/1_5_scheduled_runs.yaml

@@ -0,0 +1,57 @@
+name: Release 1.5 scheduled CI
+
+on:
+  schedule:
+    - cron: '0 6 * * 0'
+
+jobs:
+  codeql:
+    name: CodeQL Analysis
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+
+  lint-report:
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+
+  terraform-check:
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+
+  static-analysis:
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+
+  unit-tests-with-coverage:
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+
+  build:
+    needs:
+      - lint-report
+      - static-analysis
+      - unit-tests-with-coverage
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+    secrets: inherit
+
+  integration-test:
+    needs:
+      - build
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+      enable-metallb: true
+
+  update-lib:
+    name: Check libraries
+    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
+    with:
+      branch-name: "v1.5"
+    secrets: inherit