chore(deps): update datum-cloud/actions action to v1.15.0

Author: renovate[bot]

.github/workflows/build-and-test.yaml

@@ -16,7 +16,7 @@ jobs:
       id-token: write
       contents: read
       packages: write
-    uses: datum-cloud/actions/.github/workflows/publish-docker.yaml@v1.14.0
+    uses: datum-cloud/actions/.github/workflows/publish-docker.yaml@v1.15.0
     with:
       image-name: datum
     secrets: inherit
@@ -27,7 +27,7 @@ jobs:
       id-token: write
       contents: read
       packages: write
-    uses: datum-cloud/actions/.github/workflows/publish-kustomize-bundle.yaml@v1.14.0
+    uses: datum-cloud/actions/.github/workflows/publish-kustomize-bundle.yaml@v1.15.0
     with:
       bundle-name: ghcr.io/datum-cloud/datum-kustomize
       bundle-path: config