chore: add workflow to auto add p1 bugs to project board (#33205)

### Issue # (if applicable)

N/A.

### Reason for this change

N/A

### Description of changes

Adding a github workflow that get triggered whenever an issue has a label added to it.


### Description of how you validated changes

Tested the flow in another private repo and board.

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: samson-keung

.github/workflows/project-prioritization-bug.yml

@@ -0,0 +1,19 @@
+name: P1 Bug Prioritization
+on:
+  issues:
+    types:
+      - labeled
+
+jobs:
+  prioritize:
+    if: github.repository == 'aws/aws-cdk' && contains(github.event.issue.labels.*.name, 'bug') && contains(github.event.issue.labels.*.name, 'p1')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Add P1 Bug to project
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.PROJEN_GITHUB_TOKEN }}
+          script: |
+            const script = require('./scripts/prioritization/assign-bug-priority.js')
+            await script({github, context})

scripts/prioritization/assign-bug-priority.js

@@ -0,0 +1,55 @@
+const { PRIORITIES, LABELS, STATUS, ...PROJECT_CONFIG } = require('./project-config');
+const {
+    updateProjectField,
+    addItemToProject,
+    fetchProjectFields,
+} = require('./project-api');
+
+module.exports = async ({ github, context }) => {
+    async function addToProject(issue) {
+        console.log(`Processing issue #${issue.number}...`);
+
+        // Get project fields
+        const projectFields = await fetchProjectFields({
+            github,
+            org: PROJECT_CONFIG.org,
+            number: PROJECT_CONFIG.projectNumber
+        });
+        const priorityField = projectFields.organization.projectV2.fields.nodes.find(
+            (field) => field.id === PROJECT_CONFIG.priorityFieldId
+        );
+
+        const addResult = await addItemToProject({
+            github,
+            projectId: PROJECT_CONFIG.projectId,
+            contentId: issue.node_id,
+        });
+
+        const itemId = addResult.addProjectV2ItemById.item.id;
+
+        const priorityR6OptionId = priorityField.options.find(
+            (option) => option.name === PRIORITIES.R6
+        )?.id;
+
+        if (!priorityR6OptionId) {
+            throw new Error(`Cannot find Id of the R6 priority option. 
+            Found: ${priorityField.options.map(op => op.name)}`);
+        }
+
+        await updateProjectField({
+            github,
+            projectId: PROJECT_CONFIG.projectId,
+            itemId: itemId,
+            fieldId: PROJECT_CONFIG.priorityFieldId,
+            value: priorityR6OptionId,
+        });
+    }
+
+    const issue = context.payload.issue;
+    const labels = issue.labels.map((l) => l.name);
+    if (labels.includes(LABELS.P1) && labels.includes(LABELS.BUG)) {
+        await addToProject(issue);
+    } else {
+        // do nothing
+    }
+};

scripts/prioritization/project-config.js

@@ -3,15 +3,18 @@ const LABELS = {
   MAINTAINER_REVIEW: 'pr/needs-maintainer-review',
   COMMUNITY_REVIEW: 'pr/needs-community-review',
   CLARIFICATION_REQUESTED: 'pr/reviewer-clarification-requested',
-  EXEMPTION_REQUESTED: 'pr-linter/exemption-requested'
+  EXEMPTION_REQUESTED: 'pr-linter/exemption-requested',
+  P1: 'p1',
+  BUG: 'bug'
 };
 
 const PRIORITIES = {
   R1: '🚨 R1',
   R2: '🔥 R2',
   R3: '🎯 R3',
   R4: '💭 R4',
-  R5: '📆 R5'
+  R5: '📆 R5',
+  R6: '🐛 R6'
 };
 
 const STATUS = {