chore: update github actions

Author: jacopouggeri

.github/workflows/publish-github-packages.yaml

@@ -33,4 +33,4 @@ jobs:
           OWNER: jacopouggeri
         run: |
           dotnet nuget add source --username $OWNER --password $PACKAGES_AUTH_TOKEN --store-password-in-clear-text --name github "https://nuget.pkg.github.com/${OWNER}/index.json"
-          dotnet nuget push bin/Release/*.nupkg --api-key $PACKAGES_AUTH_TOKEN --source "github"
+          dotnet nuget push bin/Release/*.nupkg --api-key $PACKAGES_AUTH_TOKEN --source "github" --skip-duplicate

.github/workflows/publish-nuget.yaml

@@ -34,4 +34,4 @@ jobs:
         run: |
             dotnet nuget remove source nuget.org || true
             dotnet nuget add source --username $OWNER --password $NUGET_AUTH_TOKEN --store-password-in-clear-text --name nuget.org "https://api.nuget.org/v3/index.json"
-            dotnet nuget push bin/Release/*.nupkg --api-key $NUGET_AUTH_TOKEN --source "nuget.org"
+            dotnet nuget push bin/Release/*.nupkg --api-key $NUGET_AUTH_TOKEN --source "nuget.org" --skip-duplicate