Update CI to run on some non-code changes (#515)

## Describe the changes

This PR:
- Updates the CI to run on CI workflow file changes
- Updates examples CI to run on examples file changes

.github/changed-files.yml

@@ -3,8 +3,11 @@ golang:
   - wrappers/golang/**/*.h
   - wrappers/golang/**/*.tmpl
   - go.mod
+  - .github/workflows/golang.yml
 rust:
   - wrappers/rust/**/*
+  - '!wrappers/rust/README.md'
+  - .github/workflows/rust.yml
 cpp:
   - icicle/**/*.cu
   - icicle/**/*.cuh
@@ -12,4 +15,8 @@ cpp:
   - icicle/**/*.hpp
   - icicle/**/*.c
   - icicle/**/*.h
-  - icicle/CMakeLists.txt
+  - icicle/CMakeLists.txt
+  - .github/workflows/cpp_cuda.yml
+examples:
+  - examples/**/*
+  - .github/workflows/examples.yml

.github/workflows/check-changed-files.yml

@@ -12,6 +12,9 @@ on:
       cpp_cuda:
         description: "Flag for if C++/CUDA files changed"
         value: ${{ jobs.check-changed-files.outputs.cpp_cuda }}
+      examples:
+        description: "Flag for if example files changed"
+        value: ${{ jobs.check-changed-files.outputs.examples }}
 
 jobs:
   check-changed-files:
@@ -21,6 +24,7 @@ jobs:
       golang: ${{ steps.changed_files.outputs.golang }}
       rust: ${{ steps.changed_files.outputs.rust }}
       cpp_cuda: ${{ steps.changed_files.outputs.cpp_cuda }}
+      examples: ${{ steps.changed_files.outputs.examples }}
     steps:
     - name: Checkout Repo
       uses: actions/checkout@v4
@@ -37,3 +41,4 @@ jobs:
         echo "golang=${{ steps.changed-files-yaml.outputs.golang_any_modified }}" >> "$GITHUB_OUTPUT"
         echo "rust=${{ steps.changed-files-yaml.outputs.rust_any_modified }}" >> "$GITHUB_OUTPUT"
         echo "cpp_cuda=${{ steps.changed-files-yaml.outputs.cpp_any_modified }}" >> "$GITHUB_OUTPUT"
+        echo "examples=${{ steps.changed-files-yaml.outputs.examples_any_modified }}" >> "$GITHUB_OUTPUT"

.github/workflows/examples.yml

@@ -33,7 +33,7 @@ jobs:
       uses: actions/checkout@v4
     - name: c++ examples
       working-directory: ./examples/c++
-      if: needs.check-changed-files.outputs.cpp_cuda == 'true'
+      if: needs.check-changed-files.outputs.cpp_cuda == 'true' || needs.check-changed-files.outputs.examples == 'true'
       run: |
         # loop over all directories in the current directory
         for dir in $(find . -mindepth 1 -maxdepth 1 -type d); do
@@ -47,7 +47,7 @@ jobs:
         done    
     - name: Rust examples
       working-directory: ./examples/rust
-      if: needs.check-changed-files.outputs.rust == 'true'
+      if: needs.check-changed-files.outputs.rust == 'true' || needs.check-changed-files.outputs.examples == 'true'
       run: |
         # loop over all directories in the current directory
         for dir in $(find . -mindepth 1 -maxdepth 1 -type d); do