vai-experiment: expand proto_generated to 54 versions (1.8 through 26.2)

- Added 45 new version directories with protocol data
- Regenerated proto_generated packages for all 54 versions
- Fixed void-type packets (bundle_delimiter) in 14 protocol.json files
- Copied protocol data for missing minor versions from nearest release
- Updated generator to include all versions in ViaVaiVersions

mc/data/minecraft-data/pc/21w07a/version.json

@@ -0,0 +1,5 @@
+{
+  "minecraftVersion": "21w07a",
+  "version": 1073741839,
+  "majorVersion": "1.17"
+}