Dev (#485)

* Fixes

* Update readme
* Use split/join to avoid weird replace behavior
* Apply nicer typing to issue aggregation from #460

* More tests for replacements

* node 20

* Update checkout action

Author: apexskier

.github/workflows/dependabot-update.yml

@@ -18,7 +18,7 @@ jobs:
     environment: dependabot_update
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           # use a separate token to allow the push to trigger builds
           token: ${{ secrets.DEPENDABOT_GITHUB_TOKEN }}

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup Node.js environment
         uses: actions/setup-node@v4

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: ./
         with: