Fix release yaml (#29)

.github/workflows/release.yaml

@@ -81,7 +81,6 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Push Docker image
-        env:
         env:
           XDG_CACHE_HOME: ~/.cache/bazel-repo
           RELEASE_VERSION: ${{ steps.vars.outputs.tag }}

README.md

@@ -100,12 +100,10 @@ This file can be generated by the protoc `--descriptor_set_out` flag and is used
 by other tools in the protobuf/gRPC ecosystem (see
 [grpcurl](https://github.com/fullstorydev/grpcurl#protoset-files)).
 
-For bazel users, the
-[proto_descriptor_set](https://github.com/bazelbuild/rules_proto/blob/master/proto/private/rules/proto_descriptor_set.bzl) rule
-can be used to generate this file.
-
-> Have multiple descriptor files?  You can simply `cat` multiple
-> `FileDescriptorProto` binary files together!
+For bazel users, the `proto_library` rule produces this as its output file.  The
+[proto_descriptor_set](https://github.com/bazelbuild/rules_proto/blob/master/proto/private/rules/proto_descriptor_set.bzl)
+concatenates multiple descriptor sets together (`cat foo.descriptor.pb
+bar.descriptor.pb > combined.descriptor.pb`).
 
 ### Script File