[DPE-4136] Fix TLS tests + Migrate to self-signed-certificates + clea…

…nup (#395)

## Issue
- The `tls-certificate-operator` and tls v1 interface is deprecated
- we're using many old versions of python dependencies and charm libs 
- multiple parts of the TLS integ. tests are not asserted / awaited /
correct, effectively not validating the behavior of TLS

## Solution
- removes dependencies to the deprecated `tls-certificate-operator` + v1
interface
- introduces the `self-signed-certificates operator`  + v3 interface
- upgrades charm libs 
- upgrade python dependencies 
- upgrade dp action libs to the latest
- fix  tests:
    - CSR retrievals from secrets
    - CA cert retrieval from units
    - missing `assert`s and `await`s on coroutines

---------

Co-authored-by: Mia Altieri <32723809+MiaAltieri@users.noreply.github.com>
Co-authored-by: MiaAltieri <mgaltier200@gmail.com>

.github/workflows/ci.yaml

@@ -3,7 +3,7 @@
 name: Tests
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: "${{ github.workflow }}-${{ github.ref }}"
   cancel-in-progress: true
 
 on:
@@ -16,7 +16,7 @@ on:
 jobs:
   lint:
     name: Lint
-    uses: canonical/data-platform-workflows/.github/workflows/lint.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/lint.yaml@v13.1.1
 
   unit-test:
     name: Unit tests
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v3
       - name: Install tox
         # TODO: Consider replacing with custom image on self-hosted runner OR pinning version
-        run: python3 -m pip install tox
+        run: python3 -m pip install --upgrade pip; python3 -m pip install tox
       - name: Run tests
         run: tox run -e unit
 
@@ -85,7 +85,7 @@ jobs:
           - tests/integration/relation_tests/new_relations/application-charm
           - tests/integration/dummy_legacy_app
     name: Build charm
-    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v13.1.1
     with:
       path-to-charm-directory: ${{ matrix.path }}
       cache: true
@@ -96,11 +96,11 @@ jobs:
       - lint
       - unit-test
       - build
-    uses: canonical/data-platform-workflows/.github/workflows/integration_test_charm.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/integration_test_charm.yaml@v13.1.1
     with:
       artifact-prefix: packed-charm-cache-true
       cloud: lxd
-      juju-agent-version: 3.1.6
+      juju-agent-version: 3.1.7
     permissions:
       contents: write # Needed for Allure Report beta
     secrets:

.github/workflows/release.yaml

@@ -12,14 +12,14 @@ jobs:
 
   build:
     name: Build charm
-    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v13.1.1
 
   release-charm:
     name: Release charm
     needs:
       - ci-tests
       - build
-    uses: canonical/data-platform-workflows/.github/workflows/release_charm.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/release_charm.yaml@v13.1.1
     with:
       channel: 6/edge
       artifact-prefix: ${{ needs.build.outputs.artifact-prefix }}
@@ -32,7 +32,6 @@ jobs:
     name: Release libraries
     runs-on: ubuntu-latest
     needs:
-      - ci-tests
       - release-charm
     steps:
       - name: Checkout

.github/workflows/sync_issue_to_jira.yaml

@@ -9,7 +9,7 @@ on:
 jobs:
   sync:
     name: Sync GitHub issue to Jira
-    uses: canonical/data-platform-workflows/.github/workflows/sync_issue_to_jira.yaml@v12.7.2
+    uses: canonical/data-platform-workflows/.github/workflows/sync_issue_to_jira.yaml@v13.1.1
     with:
       jira-base-url: https://warthogs.atlassian.net
       jira-project-key: DPE