chore(deps): bump fastapi

Bumps the test-data-dependencies group in /test/e2e/content-workspace/fastapi-simple with 1 update: [fastapi](https://github.com/fastapi/fastapi).


Updates `fastapi` from 0.120.4 to 0.121.2
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.120.4...0.121.2)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-version: 0.121.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-data-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test/e2e/content-workspace/fastapi-simple/requirements.txt

@@ -1,3 +1,3 @@
 # requirements.txt auto-generated by Posit Publisher
 # using /Users/billsager/.pyenv/shims/python3
-fastapi==0.120.4
+fastapi==0.121.2