Update anthropics/buffa (#2571)

### anthropics
- buffa: v0.7.1 → v0.8.0

Author: app-token-plugins[bot]

plugins/anthropics/buffa/v0.8.0/.dockerignore

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+*
+!Dockerfile

plugins/anthropics/buffa/v0.8.0/Dockerfile

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+# syntax=docker/dockerfile:1.24
+FROM rust:1.96.0-alpine3.23@sha256:5dc2af9dd547c33f64d5fc1d299ab93b51f39eaa16c426c476b990ce6caf5b3e AS builder
+RUN apk add --no-cache musl-dev
+WORKDIR /app
+ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+RUN --mount=type=cache,target=/usr/local/cargo/registry,sharing=locked --mount=type=cache,target=/root/target \
+    cargo install protoc-gen-buffa --version 0.8.0 --locked --root /app
+
+FROM gcr.io/distroless/static-debian13:latest@sha256:3592aa8171c77482f62bbc4164e6a2d141c6122554ace66e5cc910cadb961ff0 AS base
+
+FROM scratch
+COPY --link --from=base / /
+COPY --link --from=builder /app/bin/protoc-gen-buffa /protoc-gen-buffa
+USER nobody
+ENTRYPOINT ["/protoc-gen-buffa"]

plugins/anthropics/buffa/v0.8.0/buf.plugin.yaml

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+version: v1
+name: buf.build/anthropics/buffa
+plugin_version: v0.8.0
+source_url: https://github.com/anthropics/buffa
+description: Generates Rust message types with buffa, a zero-copy Protobuf implementation with editions support and no_std compatibility.
+output_languages:
+  - rust
+spdx_license_id: Apache-2.0
+license_url: https://github.com/anthropics/buffa/blob/v0.8.0/LICENSE
+registry:
+  cargo:
+    rust_version: "1.75" # https://github.com/anthropics/buffa/blob/v0.8.0/Cargo.toml#L35
+    deps:
+      # Runtime: wire format, Message trait, view types, JSON helpers.
+      # https://github.com/anthropics/buffa/blob/v0.8.0/buffa/Cargo.toml
+      - name: "buffa"
+        req: "0.8.0"
+        default_features: true
+        features:
+          - json
+          - text
+      # Well-known types (Timestamp, Duration, Any, Struct, etc.).
+      # Generated code references these via the auto-injected
+      # extern_path mapping `.google.protobuf` -> `::buffa_types::google::protobuf`.
+      - name: "buffa-types"
+        req: "0.8.0"
+        default_features: true
+        features:
+          - json
+      - name: "buffa-descriptor"
+        req: "0.8.0"
+        default_features: true
+        features:
+          - json
+          - views
+          - text
+      # Generated code derives `::serde::Serialize` / `::serde::Deserialize`
+      # directly when json=true, so serde must be a direct dep.
+      - name: "serde"
+        req: "1"
+        default_features: true
+        features:
+          - derive
+  opts:
+    # Enable serde derives + proto3 JSON mapping helpers. Required for
+    # downstream plugins that need the Connect protocol's JSON codec.
+    - json=true
+    # Enable textproto encoding/decoding.
+    - text=true
+    # Zero-copy view types. Default, but explicit for clarity.
+    - views=true
+    # Emit one `<dotted.package>.rs` per proto package instead of one
+    # file per proto file. Matches the prost/tonic filename convention
+    # the BSR Rust SDK lib.rs synthesis expects.
+    - file_per_package=true

tests/testdata/buf.build/anthropics/buffa/v0.8.0/eliza/plugin.sum

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+h1:5vXxpiByArtaI1/hOZnjCT31tGCj3pHM1HEZuaMkxTI=

tests/testdata/buf.build/anthropics/buffa/v0.8.0/petapis/plugin.sum

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+h1:MChVxS+MS7i/0g93b+0p+jFzICM72NSkCg3UMdsJng8=