Migrate buf.gen.yaml from v1 to v2 syntax

.gitattributes

@@ -1,6 +1,5 @@
-bindings/typescript/scip.ts linguist-generated=true
+bindings/typescript/scip_pb.ts linguist-generated=true
 bindings/go/scip/scip.pb.go linguist-generated=true
 bindings/rust/src/generated/scip.rs linguist-generated=true
 bindings/haskell/src/Proto/**.hs linguist-generated=true
 docs/scip.md linguist-generated=true
-yarn.lock linguist-generated=true

buf.gen.yaml

@@ -1,21 +1,19 @@
 # Configuration file for https://buf.build/, which we use for Protobuf code generation.
-version: v1
+version: v2
 plugins:
-  - name: doc
+  - local: protoc-gen-doc
     out: ./docs/
     opt: docs/scip.sprig,scip.md
     # NOTE: the sprig file is a template, it is not generated.
-  - name: go
+  - local: protoc-gen-go
     out: ./bindings/go/scip/
     opt:
       - paths=source_relative
-  - name: es
+  - local: protoc-gen-es
     out: ./bindings/typescript/
     opt:
       - target=ts
-  - name: rust
-    path: protoc-gen-rs
+  - local: protoc-gen-rs
     out: ./bindings/rust/src/generated/
-  - name: haskell
-    path: proto-lens-protoc
+  - local: proto-lens-protoc
     out: ./bindings/haskell/src