fix: update OSPO action references to canonical org path

The OSPO actions have moved from github/ to github-community-projects/.
Update workflow references to use the canonical org path.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: zkoppert

.github/workflows/contributor-report.yaml

@@ -28,7 +28,7 @@ jobs:
         echo "END_DATE=$end_date" >> "$GITHUB_ENV"
 
     - name: Run contributor action
-      uses: github/contributors@v1
+      uses: github-community-projects/contributors@v1
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         START_DATE: ${{ env.START_DATE }}

.github/workflows/pattern-metrics.yaml

@@ -53,7 +53,7 @@ jobs:
         echo "CODEOWNERS_FILTER=$CODEOWNERS_FILTER" >> "$GITHUB_ENV"
 
     - name: Run issue-metrics tool for issues
-      uses: github/issue-metrics@v3
+      uses: github-community-projects/issue-metrics@v3
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SEARCH_QUERY: 'repo:InnerSourceCommons/InnerSourcePatterns is:issue created:${{ env.last_month }} -reason:"not planned" ${{ env.CODEOWNERS_FILTER }}'
@@ -66,7 +66,7 @@ jobs:
         mv ./issue_metrics.md ready_to_merge_issues_report.md
 
     - name: Run issue-metrics tool for PRs
-      uses: github/issue-metrics@v3
+      uses: github-community-projects/issue-metrics@v3
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SEARCH_QUERY: 'repo:InnerSourceCommons/InnerSourcePatterns is:pr created:${{ env.last_month }} -reason:"not planned" ${{ env.CODEOWNERS_FILTER }}'