GRM-2: Bump devx to v0.48.0

- Update devx dependency to v0.48.0
- Add git auth to setup-image for git+https deps
- Fix Vikunja project ID (6 -> 3)

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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

.gitea/workflows/ci.yml

@@ -98,7 +98,7 @@ jobs:
         env:
           VIKUNJA_TOKEN: ${{ secrets.VIKUNJA_TOKEN }}
           DEVX_TASK_PREFIX: GRM
-          DEVX_VIKUNJA_PROJECT_ID: 6
+          DEVX_VIKUNJA_PROJECT_ID: 3
           HEAD_REF: ${{ github.head_ref }}
           PR_TITLE: ${{ github.event.pull_request.title }}
           REPOSITORY: ${{ github.repository }}
@@ -255,7 +255,7 @@ jobs:
           CI_GITEA_API_TOKEN: ${{ secrets.CI_GITEA_API_TOKEN }}
           VIKUNJA_TOKEN: ${{ secrets.VIKUNJA_TOKEN }}
           DEVX_TASK_PREFIX: GRM
-          DEVX_VIKUNJA_PROJECT_ID: 6
+          DEVX_VIKUNJA_PROJECT_ID: 3
           HEAD_REF: ${{ github.head_ref }}
           PR_TITLE: ${{ github.event.pull_request.title }}
           REPOSITORY: ${{ github.repository }}

.gitea/workflows/post-merge.yml

@@ -133,7 +133,7 @@ jobs:
         env:
           DEVX_VERSION_FILE: src/grm/__init__.py
           DEVX_TASK_PREFIX: GRM
-          DEVX_VIKUNJA_PROJECT_ID: 6
+          DEVX_VIKUNJA_PROJECT_ID: 3
         run: |
           . .venv/bin/activate 2>/dev/null || true
           export PATH="$HOME/.local/bin:$PATH"
@@ -161,7 +161,7 @@ jobs:
         env:
           VIKUNJA_TOKEN: ${{ secrets.VIKUNJA_TOKEN }}
           DEVX_TASK_PREFIX: GRM
-          DEVX_VIKUNJA_PROJECT_ID: 6
+          DEVX_VIKUNJA_PROJECT_ID: 3
         run: |
           . .venv/bin/activate 2>/dev/null || true
           python3 -m devx.ci.post_merge --git-sha "${{ github.sha }}"