give labeler its own pipeline

.github/labeler.yml

@@ -13,4 +13,4 @@ ops:
 - .identity/**
 
 docs:
-- README.md
+- README.md

.github/workflows/pr_labeler.yml

@@ -0,0 +1,26 @@
+name: PR - Labeler
+
+on:
+  workflow_dispatch:
+
+  pull_request:
+    branches:
+      - main
+      - releases/**
+    types:
+      - opened
+      - synchronize
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  labeler:
+    name: PR Labeler
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5
+        with:
+          sync-labels: true

.github/workflows/check_pr.yml → .github/workflows/pr_validation.yml

@@ -1,37 +1,29 @@
-name: Check PR
+name: PR - Validation
 
-# Controls when the workflow will run
 on:
+  workflow_dispatch:
+
   pull_request:
     branches:
       - main
+      - releases/**
     types:
       - opened
       - synchronize
-      - reopened
-
-permissions:
-  pull-requests: write
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
 
-  labeler:
-    name: Add label to PR based on the paths of files being changed
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/labeler@ac9175f8a1f3625fd0d4fb234536d26811351594 # pin@v4
-
-  check_pr_size:
-    name: Check PR size doesn't break set limit
-    runs-on: ubuntu-latest
+  validate_pr_size:
+    name: Ensure PR is small
+    runs-on: ubuntu-20.04
     steps:
-      # checkout your code with your git history
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # pin@v3
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
+        name: Checkout
         with:
           fetch-depth: 0
 
       - name: Get total lines changed
+        shell: bash
         run: |
           size=$(git diff --stat origin/main --diff-filter=d \
           | grep -v .lock \
@@ -45,12 +37,13 @@ jobs:
           echo ""
           echo "Total lines changed (note: *.lock files are excluded from this count): "
           echo $size
+
+      - name: Evaluate Lines Changed
         shell: bash
-      - run: |
+        run: |
           if [[ $size -gt 500 ]]
           then
             echo "Warning - total lines changed is greater than 500."
             echo "Please consider breaking this PR down."
             exit 1
           fi
-        shell: bash