ci: Skip gitlab job on docs-only changes, only run rust jobs on rust changes (#2775)

Signed-off-by: Ryan McCormick <rmccormick@nvidia.com>

.github/workflows/pre-merge-rust.yml

@@ -21,15 +21,10 @@ on:
     branches:
     - main
 
-  # Run this workflow on pull requests targeting main but only if files in runtime/rust change.
+  # Run this workflow on pull requests targeting main but only on rust changes.
   pull_request:
     paths:
     - .github/workflows/pre-merge-rust.yml
-    - 'lib/runtime/**'
-    - 'lib/llm/**'
-    - 'lib/bindings/**'
-    - 'launch/**'
-    - 'components/**'
     - '**.rs'
     - 'Cargo.toml'
     - 'Cargo.lock'

.github/workflows/trigger_ci.yml

@@ -18,8 +18,12 @@ name: NVIDIA Test Lab Validation
 on:
   push:
     branches:
-    - main
-    - "pull-request/[0-9]+"
+      - main
+      - "pull-request/[0-9]+"
+    # Skip docs only changes
+    paths-ignore:
+      - '**.md'
+      - '**.rst'
 
 jobs:
   mirror_repo: