Bump dbt-semantic-interfaces from 0.1.0.dev7 to 0.1.0.dev8 in /core

Bumps dbt-semantic-interfaces from 0.1.0.dev7 to 0.1.0.dev8.

---
updated-dependencies:
- dependency-name: dbt-semantic-interfaces
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

core/setup.py

@@ -78,7 +78,7 @@
         "minimal-snowplow-tracker~=0.0.2",
         # DSI is under active development, so we're pinning to specific dev versions for now.
         # TODO: Before RC/final release, update to use ~= pinning.
-        "dbt-semantic-interfaces==0.1.0.dev7",
+        "dbt-semantic-interfaces==0.1.0.dev8",
         # ----
         # Expect compatibility with all new versions of these packages, so lower bounds only.
         "packaging>20.9",