chore(deps): Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/pr-linter-trigger.yml

@@ -17,7 +17,7 @@ jobs:
           mkdir -p ./pr
           echo $PR_NUMBER > ./pr/pr_number
           echo $PR_SHA > ./pr/pr_sha
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: pr_info
           path: pr/

.github/workflows/spec-update.yml

@@ -31,7 +31,7 @@ jobs:
 
       # Upload the current db to be used later
       - name: Upload base database
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: db.base.json.gz
           path: node_modules/@aws-cdk/aws-service-spec/db.json.gz
@@ -49,7 +49,7 @@ jobs:
 
       # Now that we have updated the database, upload the new candidate db
       - name: Upload head database
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: db.head.json.gz
           path: node_modules/@aws-cdk/aws-service-spec/db.json.gz
@@ -69,7 +69,7 @@ jobs:
           git add .
           git diff --patch --staged > ${{ runner.temp }}/update-spec.patch
       - name: Upload Patch
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: update-spec.patch
           path: ${{ runner.temp }}/update-spec.patch
@@ -110,7 +110,7 @@ jobs:
           cat DIFF >> PR.md
           echo '```' >> PR.md
       - name: Upload PR body file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: PR.md
           path: PR.md

.github/workflows/update-metadata-regions.yml

@@ -33,7 +33,7 @@ jobs:
           git add .
           git diff --patch --staged > ${{ runner.temp }}/update-spec.patch
       - name: Upload Patch
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: update-spec.patch
           path: ${{ runner.temp }}/update-spec.patch

.github/workflows/yarn-upgrade.yml

@@ -89,7 +89,7 @@ jobs:
           git add .
           git diff --patch --staged > ${{ runner.temp }}/upgrade.patch
       - name: Upload Patch
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: upgrade.patch
           path: ${{ runner.temp }}/upgrade.patch