chore: remove deprecated api (#108)

**Description**

This PR removes the deprecated generics-based API from modusGraph.

It also establishes a mechanism to set the memory cache (ristretto) size
when operating in local mode

**Checklist**

- [x] Code compiles correctly and linting passes locally
- [x] Tests added for new functionality, or regression tests for bug
fixes added as applicable

Author: matthewmcneely

.github/workflows/ci-go-unit-tests.yaml

@@ -18,6 +18,7 @@ permissions:
 
 jobs:
   ci-go-tests:
+    timeout-minutes: 20
     name: Test ${{ matrix.os }}
     runs-on:
       "${{ matrix.os == 'linux' && 'warp-ubuntu-latest-x64-4x' || matrix.os == 'macos' &&
@@ -38,4 +39,4 @@ jobs:
           cache-dependency-path: go.sum
 
       - name: Run Unit Tests
-        run: go test -race -v . ./unit_test/...
+        run: go test -race -v .