chore(ci): exclude bot accounts from contributors list

Filter out bot accounts from the nightly contributors update:
- Exclude accounts with type "Bot"
- Exclude accounts with [bot] suffix in login name

Author: CalvinAllen

.github/workflows/contributors.yml

@@ -17,8 +17,8 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.CONTRIBUTORS_TOKEN }}
         run: |
-          # Fetch contributors from GitHub API
-          contributors=$(gh api repos/dtvem/dtvem/contributors --paginate --jq '.[] | "<a href=\"\(.html_url)\"><img src=\"\(.avatar_url)\" width=\"64\" height=\"64\" alt=\"\(.login)\"/></a>"')
+          # Fetch contributors from GitHub API (exclude bots)
+          contributors=$(gh api repos/dtvem/dtvem/contributors --paginate --jq '.[] | select(.type != "Bot") | select(.login | test("\\[bot\\]$") | not) | "<a href=\"\(.html_url)\"><img src=\"\(.avatar_url)\" width=\"64\" height=\"64\" alt=\"\(.login)\"/></a>"')
 
           # Build the contributors section
           contrib_section="<!-- readme: contributors -start -->