add grpc-java v1.52.1 (#310)

plugins/grpc/java/v1.52.1/.dockerignore

@@ -0,0 +1,2 @@
+*
+!Dockerfile

plugins/grpc/java/v1.52.1/Dockerfile

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+# syntax=docker/dockerfile:1.4
+FROM debian:bullseye-20230109 AS build
+
+ARG TARGETARCH
+
+WORKDIR /build
+RUN apt-get update \
+ && apt-get install -y curl
+RUN arch=${TARGETARCH}; \
+    if [ "${arch}" = "arm64" ]; then\
+        arch="aarch_64"; \
+    elif [ "${arch}" = "amd64" ]; then\
+        arch="x86_64"; \
+    fi; \
+    echo "${arch}"; \
+    curl -fsSL -o protoc-gen-grpc-java https://repo1.maven.org/maven2/io/grpc/protoc-gen-grpc-java/1.52.1/protoc-gen-grpc-java-1.52.1-linux-${arch}.exe
+
+FROM gcr.io/distroless/base-debian11
+COPY --from=build --link --chmod=0755 --chown=root:root /build/protoc-gen-grpc-java .
+USER nobody
+ENTRYPOINT [ "/protoc-gen-grpc-java" ]

plugins/grpc/java/v1.52.1/buf.plugin.yaml

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+version: v1
+name: buf.build/grpc/java
+plugin_version: v1.52.1
+source_url: https://github.com/grpc/grpc-java
+description: Generates Java client and server stubs for the gRPC framework.
+deps:
+  - plugin: buf.build/protocolbuffers/java:v21.12
+output_languages:
+  - java
+spdx_license_id: Apache-2.0
+license_url: https://github.com/grpc/grpc-java/blob/v1.52.1/LICENSE

tests/testdata/buf.build/grpc/java/v1.52.1/eliza/plugin.sum

@@ -0,0 +1 @@
+h1:67Zrugkn+zho/n6752HNNZSxciQOJXrq3t9wKCt1ox8=

tests/testdata/buf.build/grpc/java/v1.52.1/petapis/plugin.sum

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+h1:083pZe80n00O/8T3Ty/FF5qdEsZbfVpK7FhsP2bKcp8=