Bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -360,7 +360,7 @@ jobs:
         run: dotnet pack --configuration Release --property:PackageOutputPath="$PWD/nupkgs" --version-suffix "ci.$(date -u +%Y%m%dT%H%M%S)+sha.${GITHUB_SHA:0:9}" -p:ContinuousIntegrationBuild=true
 
       - name: Upload artifacts (nupkg)
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Npgsql.CI
           path: nupkgs
@@ -392,7 +392,7 @@ jobs:
         run: dotnet pack --configuration Release --property:PackageOutputPath="$PWD/nupkgs" -p:ContinuousIntegrationBuild=true      
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Npgsql.Release
           path: nupkgs

.github/workflows/native-aot.yml

@@ -170,21 +170,21 @@ jobs:
         run: dotnet run --project test/MStatDumper/MStatDumper.csproj -c release -f ${{ matrix.tfm }} -- "test/Npgsql.NativeAotTests/obj/Release/net9.0/linux-x64/native/Npgsql.NativeAotTests.mstat" md >> $GITHUB_STEP_SUMMARY
 
       - name: Upload mstat
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: npgsql.mstat
           path: "test/Npgsql.NativeAotTests/obj/Release/${{ matrix.tfm }}/linux-x64/native/Npgsql.NativeAotTests.mstat"
           retention-days: 3
 
       - name: Upload codedgen dgml
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: npgsql.codegen.dgml.xml
           path: "test/Npgsql.NativeAotTests/obj/Release/${{ matrix.tfm }}/linux-x64/native/Npgsql.NativeAotTests.codegen.dgml.xml"
           retention-days: 3
 
       - name: Upload scan dgml
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: npgsql.scan.dgml.xml
           path: "test/Npgsql.NativeAotTests/obj/Release/${{ matrix.tfm }}/linux-x64/native/Npgsql.NativeAotTests.scan.dgml.xml"