Creates v1.5 release branch

.github/workflows/main.yaml

@@ -1,4 +1,4 @@
-name: Main branch CI
+name: Release 1.5 CI
 
 on:
   pull_request:
@@ -50,72 +50,9 @@ jobs:
       - static-analysis
       - unit-tests-with-coverage
       - integration-test
-    if: ${{ github.ref_name == 'main' }}
+    if: ${{ github.ref_name == 'v1.5' }}
     uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
     with:
       track-name: 1.5
     secrets:
       CHARMCRAFT_AUTH: ${{ secrets.CHARMCRAFT_AUTH }}
-
-  publish-charm-on-push:
-    name: Publish Developer Charm To Branch
-    needs:
-      - lint-report
-      - static-analysis
-      - unit-tests-with-coverage
-      - integration-test
-    if: ${{ (github.ref_name != 'main') && (github.event_name == 'push') }}
-    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
-    with:
-      branch-name: ${{ github.ref_name }}
-      track-name: 1.5
-    secrets:
-      CHARMCRAFT_AUTH: ${{ secrets.CHARMCRAFT_AUTH }}
-
-  fiveg-n3-lib-needs-publishing:
-    runs-on: ubuntu-22.04
-    outputs:
-      needs-publishing: ${{ steps.changes.outputs.fiveg_n3 }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dorny/paths-filter@v3
-        id: changes
-        with:
-          filters: |
-            fiveg_n3:
-              - 'lib/charms/sdcore_upf_k8s/v0/fiveg_n3.py'
-
-  publish-fiveg-n3-lib:
-    name: Publish Lib
-    needs:
-      - publish-charm
-      - fiveg-n3-lib-needs-publishing
-    if: ${{ github.ref_name == 'main' }}
-    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
-    with:
-      lib-name: "charms.sdcore_upf_k8s.v0.fiveg_n3"
-    secrets: inherit
-
-  fiveg-n4-lib-needs-publishing:
-    runs-on: ubuntu-22.04
-    outputs:
-      needs-publishing: ${{ steps.changes.outputs.fiveg_n4 }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dorny/paths-filter@v3
-        id: changes
-        with:
-          filters: |
-            fiveg_n4:
-              - 'lib/charms/sdcore_upf_k8s/v0/fiveg_n4.py'
-
-  publish-fiveg-n4-lib:
-    name: Publish Lib
-    needs:
-      - publish-charm
-      - fiveg-n4-lib-needs-publishing
-    if: ${{ github.ref_name == 'main' }}
-    uses: canonical/sdcore-github-workflows/.github/workflows/[email protected]
-    with:
-      lib-name: "charms.sdcore_upf_k8s.v0.fiveg_n4"
-    secrets: inherit