Proposal to autoclose Java requests (#8695)

Co-authored-by: LitoMore <LitoMore@users.noreply.github.com>

.github/workflows/autoclose-issues.yml

@@ -0,0 +1,54 @@
+name: Autocloser
+on:
+  issues:
+    types: [opened, edited]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - id: match-title
+        name: Match title
+        # if the title contains the word Java (case insensitive)
+        # we make sure that this word is the end of the string or is followed by a space character (ex. we do not want to match javascript)
+        # we make sure that this word is the beginning of the string or is preceded by a space character (ex. we do not want to match foojava)
+        run: |
+          if [[ ${{ github.event.issue.title }} =~ (^|[[:space:]])([jJ][aA][vV][aA])([[:space:]]|$) ]]; then
+              echo "match=true" >> $GITHUB_OUTPUT
+          fi
+
+      - id: get-labels
+        name: Get labels
+        run: |
+          labels="$(curl --retry 5 -s https://api.github.com/repos/simple-icons/simple-icons/pulls/${{ github.event.pull_request.number }} | jq '.labels[].name' | tr '\n' ',' | sed -e 's/"//g' -e 's/,$//')"
+          echo "labels=$labels" >> $GITHUB_OUTPUT
+
+      # if the issue is labeled as a 'new icon' and it matches Java, we
+      # - add a comment referring to the removal request
+      # - we add the 'duplicate' label
+      # - we close the issue
+      - name: Close the issue
+        if: |
+          steps.match-title.outputs.match == 'true' &&
+          contains(steps.get-labels.outputs.labels, 'new icon')
+        uses: actions/github-script@v6
+        with:
+          script: |
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: 'This issue was automatically closed. Please refer to #7374.'
+            })
+            github.rest.issues.addLabels({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              labels: ['duplicate']
+            })
+            github.rest.issues.update({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              state: 'closed'
+            });