fix: unpin uv version — install latest via pip

uv is a single static binary with no OS dependencies, so pinning
provides little security value while requiring periodic bumps.

Confidence: high
Scope-risk: narrow

Author: jesseturner21

docs/container-builds.md

@@ -40,7 +40,7 @@ app/MyAgent/
 ## Generated Dockerfile
 
 The template uses `public.ecr.aws/docker/library/python:3.12-slim` as the base image (with `uv` installed via
-`pip install uv==0.11.14`) with these design choices:
+`pip install uv`) with these design choices:
 
 - **Layer caching**: Dependencies (`pyproject.toml`) are installed before copying application code
 - **Non-root**: Runs as `bedrock_agentcore` (UID 1000)

src/assets/__tests__/__snapshots__/dockerfile-render.test.ts.snap

@@ -3,7 +3,7 @@
 exports[`Dockerfile enableOtel rendering > renders opentelemetry-instrument CMD when enableOtel is true > Dockerfile-enableOtel-true 1`] = `
 "FROM public.ecr.aws/docker/library/python:3.12-slim-bookworm
 
-RUN pip install --no-cache-dir uv==0.11.14
+RUN pip install --no-cache-dir uv
 
 ARG UV_DEFAULT_INDEX
 ARG UV_INDEX
@@ -43,7 +43,7 @@ CMD ["opentelemetry-instrument", "python", "-m", "main"]
 exports[`Dockerfile enableOtel rendering > renders plain python CMD when enableOtel is false > Dockerfile-enableOtel-false 1`] = `
 "FROM public.ecr.aws/docker/library/python:3.12-slim-bookworm
 
-RUN pip install --no-cache-dir uv==0.11.14
+RUN pip install --no-cache-dir uv
 
 ARG UV_DEFAULT_INDEX
 ARG UV_INDEX

src/assets/container/python/Dockerfile

@@ -1,6 +1,6 @@
 FROM public.ecr.aws/docker/library/python:3.12-slim-bookworm
 
-RUN pip install --no-cache-dir uv==0.11.14
+RUN pip install --no-cache-dir uv
 
 ARG UV_DEFAULT_INDEX
 ARG UV_INDEX

src/cli/commands/import/actions.ts

@@ -384,7 +384,7 @@ export async function handleImport(options: ImportOptions): Promise<ImportResult
                 destDockerfile,
                 [
                   'FROM public.ecr.aws/docker/library/python:3.12-slim-bookworm',
-                  'RUN pip install --no-cache-dir uv==0.11.14',
+                  'RUN pip install --no-cache-dir uv',
                   'WORKDIR /app',
                   '',
                   'ENV UV_SYSTEM_PYTHON=1 \\',