Pin release-drafter version

Author: danepowell

.github/dependabot.yml

@@ -13,3 +13,5 @@ updates:
     directory: '/'
     schedule:
       interval: 'weekly'
+    ignore:
+      - dependency-name: "release-drafter/release-drafter"

.github/release-drafter.yml

@@ -29,6 +29,3 @@ template: |
 
   $CHANGES
 prerelease: true
-# Draft releases are being duplicated; not sure if this is by design.
-# https://github.com/release-drafter/release-drafter/issues/1425
-include-pre-releases: false

.github/workflows/release-drafter.yml

@@ -18,6 +18,6 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: release-drafter/release-drafter@v6
+      - uses: release-drafter/release-drafter@v6.0.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}