workflows: disable unnecessary workflows (fluent#4450)

* workflows: disable unnecessary workflows

Signed-off-by: Patrick Stephens <[email protected]>

* workflows: fix crontab for stale check

Signed-off-by: Patrick Stephens <[email protected]>

Author: patrick-stephens

.github/workflows/pr-compile-check.yaml

@@ -1,6 +1,10 @@
 name: 'Pull requests compile checks'
 on:
   pull_request:
+    # Only trigger if there is a code change
+    paths:
+      - '**.h'
+      - '**.c'
     types:
       - opened
       - edited

.github/workflows/pr-stale.yaml

@@ -1,7 +1,7 @@
 name: 'Close stale issues and PR(s)'
 on:
   schedule:
-    - cron: '90 1 * * *'
+    - cron: '30 1 * * *'
 
 jobs:
   stale:

.github/workflows/unit-tests.yaml

@@ -9,13 +9,14 @@ on:
       - '.github/**'
       - 'dockerfiles/**'
       - 'docker_compose/**'
+      - 'packaging/**'
     branches:
       - master
       - 1.8
     types: [opened, edited, synchronize]
 jobs:
   run-unit-tests-amd64:
-    name: Run unit tests on amd64 for ${{ matrix.os }} - ${{ matrix.compiler }} - ${{ matrix.flb_option }}
+    name: ${{ matrix.os }} - ${{ matrix.compiler }} - ${{ matrix.flb_option }} unit tests run on AMD64
     runs-on: ${{ matrix.os }}
     strategy:
       max-parallel: 48
@@ -80,13 +81,3 @@ jobs:
           CC: gcc
           CXX: g++
           FLB_OPT: ${{ matrix.flb_option }}
-
-  run-all-unit-tests:
-    if: ${{ always() }}
-    runs-on: ubuntu-latest
-    name: Unit tests (matrix)
-    needs: run-unit-tests-amd64
-    steps:
-      - name: Check build matrix status
-        if: ${{ needs.run-unit-tests-amd64.result != 'success' }}
-        run: exit 1