PR Checks: use v4 of upload-artifact and download-artifact

We can do this now that we have upgraded to `@actions/artifact@v2`; note that on GHES we are still using `@actions/artifact@v1`, but our PR checks are not running on GHES.

Author: angelapwen

.github/workflows/__config-export.yml

@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Check expected artifacts exist
         shell: bash
         run: |

.github/workflows/__diagnostics-export.yml

@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Check expected artifacts exist
         shell: bash
         run: |

.github/workflows/__export-file-baseline-information.yml

@@ -12,7 +12,7 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Upload SARIF
-    uses: actions/upload-artifact@v3
+    uses: actions/upload-artifact@v4
     with:
       name: config-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"

.github/workflows/debug-artifacts-failure.yml

@@ -26,7 +26,7 @@ steps:
       output: "${{ runner.temp }}/results"
       upload-database: false
   - name: Upload SARIF
-    uses: actions/upload-artifact@v3
+    uses: actions/upload-artifact@v4
     with:
       name: diagnostics-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"

.github/workflows/debug-artifacts.yml

@@ -19,7 +19,7 @@ steps:
     with:
       output: "${{ runner.temp }}/results"
   - name: Upload SARIF
-    uses: actions/upload-artifact@v3
+    uses: actions/upload-artifact@v4
     with:
       name: with-baseline-information-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"