Update artifact deps (#2323)

* build(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] <support@github.com>

* build(deps): bump actions/download-artifact from 3 to 4

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

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

Signed-off-by: dependabot[bot] <support@github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build_and_test.yaml

@@ -66,7 +66,7 @@ jobs:
       run: make build-multiarch PLATFORMS="linux_amd64 linux_arm64"
 
     - name: Upload EG Binaries
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: envoy-gateway
         path: bin/
@@ -82,7 +82,7 @@ jobs:
     - uses: ./tools/github-actions/setup-deps
 
     - name: Download EG Binaries
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: envoy-gateway
         path: bin/
@@ -110,7 +110,7 @@ jobs:
     - uses: ./tools/github-actions/setup-deps
 
     - name: Download EG Binaries
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: envoy-gateway
         path: bin/
@@ -135,7 +135,7 @@ jobs:
     - uses: ./tools/github-actions/setup-deps
 
     - name: Download EG Binaries
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: envoy-gateway
         path: bin/

.github/workflows/experimental_conformance.yaml

@@ -29,7 +29,7 @@ jobs:
       run: make experimental-conformance
 
     - name: Upload Conformance Report
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: conformance-report-k8s-${{ matrix.version }}
         path: ./test/conformance/conformance-report-k8s-${{ matrix.version }}.yaml