Update canonical/charming-actions action to v2.7.0 (#841)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lib-check.yaml

@@ -27,7 +27,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Check libs
-        uses: canonical/charming-actions/check-libraries@2.6.3
+        uses: canonical/charming-actions/check-libraries@2.7.0
         with:
           credentials: "${{ secrets.CHARMHUB_TOKEN }}"
           github-token: "${{ secrets.GITHUB_TOKEN }}"

.github/workflows/release.yaml

@@ -35,7 +35,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Release charm libraries
-        uses: canonical/charming-actions/release-libraries@2.6.3
+        uses: canonical/charming-actions/release-libraries@2.7.0
         with:
           credentials: "${{ secrets.CHARMHUB_TOKEN }}"
           github-token: "${{ secrets.GITHUB_TOKEN }}"