Auto label PRs and Relayer component notes only (#1334)

* test categorized release notes

* test categorized release notes

* test auto label

* fetch main branch

* user labeler action

* correct pr target

* test docs

* revert readme changes

* remove uncategorized items from changelog

* adds all labels and reverts testing changes

.github/labeler.yml

@@ -0,0 +1,23 @@
+"Component: Docs":
+  - changed-files:
+      - any-glob-to-any-file: docs/**
+
+"Component: Relayer":
+  - changed-files:
+      - any-glob-to-any-file: relayer/**
+
+"Component: Web":
+  - changed-files:
+      - any-glob-to-any-file: web/**
+
+"Component: Smoke Tests":
+  - changed-files:
+      - any-glob-to-any-file: smoketest/**
+
+"Component: Control Tool":
+  - changed-files:
+      - any-glob-to-any-file: control/**
+
+"Component: Ethereum":
+  - changed-files:
+      - any-glob-to-any-file: contracts/**

.github/workflows/labels.yml

@@ -0,0 +1,15 @@
+name: label PRs
+
+on:
+  pull_request:
+
+jobs:
+  labeler:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v5
+        with:
+         sync-labels: true

.github/workflows/release-relayer.yml

@@ -95,6 +95,16 @@ jobs:
         id: build_changelog
         uses: mikepenz/release-changelog-builder-action@v4
         with:
+          configurationJson: |
+            {
+              "template": "#{{CHANGELOG}}\n\n<details>\n</details>",
+              "categories": [
+                {
+                    "title": "## Relayer Changes",
+                    "labels": ["Component: Relayer"]
+                }
+              ]
+            }
           fromTag: ${{ steps.new_version.outputs.from_tag }}
           toTag: ${{ steps.create_tag.outputs.tag }}