Change PR/schedule triggers for CPU-inference (microsoft#4924)

Update triggers for cpu-inference and nv-inference.

- cpu-inference changes: set CI to be weekly, added triggers to run when
deepspeed/inference folders are modified.
- nv-inference: updated triggers to be similar to cpu-inference.

---------

Co-authored-by: Michael Wyatt <[email protected]>

.github/workflows/cpu-inference.yml

@@ -2,13 +2,19 @@ name: cpu-inference
 
 on:
   pull_request:
-    paths-ignore:
-      - 'docs/**'
-      - 'blogs/**'
+    paths:
+      - '.github/workflows/cpu-inference.yml'
+      - 'requirements/**'
+      - 'deepspeed/__init__.py'
+      - 'deepspeed/inference/**'
+      - '!deepspeed/inference/v2/**' # exclude v2 dir
+      - 'tests/unit/inference/**'
+      - '!tests/unit/inference/v2/**' # exclude v2 tests dir
   workflow_dispatch:
   merge_group:
     branches: [ master ]
-
+  schedule:
+        - cron: "0 0 * * 0"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/nv-inference.yml

@@ -2,11 +2,14 @@ name: nv-inference
 
 on:
   pull_request:
-    paths-ignore:
-      - 'docs/**'
-      - 'blogs/**'
-      - 'deepspeed/inference/v2/**'
-      - 'tests/unit/inference/v2/**'
+    paths:
+      - '.github/workflows/nv-inference.yml'
+      - 'requirements/**'
+      - 'deepspeed/__init__.py'
+      - 'deepspeed/inference/**'
+      - '!deepspeed/inference/v2/**' # exclude v2 dir
+      - 'tests/unit/inference/**'
+      - '!tests/unit/inference/v2/**' # exclude v2 tests dir
   merge_group:
     branches: [ master ]
   schedule: