examples: switch version to last released version (#2047)

As part of https://github.com/hyperium/tonic/pull/2014, the versions of
"tonic" and "tonic-build" were changed to "0.13". This breaks the
in

examples: switch version to last released version (#2047)

As part of https://github.com/hyperium/tonic/pull/2014, the versions of
"tonic" and "tonic-build" were changed to "0.13". This breaks the
instuctions in the examples documentation with an error like:
```
helloworld_tonic$ cargo run --bin helloworld-server
Updating crates.io index
error: failed to select a version for the requirement `tonic = "^0.13"`
candidate versions found which didn't match: 0.12.3, 0.12.2, 0.12.1, ...
location searched: crates.io index
required by package `helloworld-tonic v0.1.0 (/usr/local/google/home/easwars/src/rust/projects/helloworld_tonic)`
if you are looking for the prerelease package it needs to be specified explicitly
tonic = { version = "0.1.0-beta.1" }
```

This PR changes the version of "tonic" and "tonic-build" to "*" which
results in the latest version getting picked. Setting it to "*" also has
the nice property of not having to update the examples everytime a
version bump is required.

Co-authored-by: Lucio Franco <[email protected]>

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chore: Start development of version 0.13 (#2014)

fixed hello world and route guide tutorials (#1791)

chore: release v0.12.0 (#1740)

* chore: prepare v0.12.0 release

* add changelog

* fix version links

* update changelog

* update changelog to include prost update

docs: simplify helloworld-tutorial (#1369)

- Remove the `hello_world` crate prefix, `HelloReply` is imported directly.
- Remove useless calls to `into()`:

error: useless conversion to the same t

docs: simplify helloworld-tutorial (#1369)

- Remove the `hello_world` crate prefix, `HelloReply` is imported directly.
- Remove useless calls to `into()`:

error: useless conversion to the same type: `std::string::String`
--> src/main.rs:18:22
|
18 | message: format!("Hello {}!", request.into_inner().name).into(),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("Hello {}!", request.into_inner().name)`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
= note: `-D clippy::useless-conversion` implied by `-D warnings`

Co-authored-by: tottoto <[email protected]>

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chore: prepare v0.11.0 release (#1626)

Update helloworld-tutorial.md - Fix Clippy lints (#1617)

warning: useless conversion to the same type: `std::string::String`

chore: Prepare `0.10.1` release (#1529)

chore: Prepare `0.10` release (#1492)

chore: Prepare `0.9.1` release (#1343)

* Update documentation url in cargo tomls

* Bump versions to 0.9.1

* Update guides

* Add prepare/publish scripts

* Update changelog

fix document for helloworld-tutorial.md (#1316)

Signed-off-by: ZhengSheng0524 <[email protected]>

Update helloworld-tutorial.md (#1057)

grpcurl command have been run successfully with modifieded like above.

chore: Prepare 0.8 release (#1044)

Small wording change for newbie-friendly clarity (#995)

chore: Prepare 0.10 release (#954)

feat(build): use prettyplease to format output (#890) (#904)

chore(examples): fix wording in helloworld tutorial (#836)

closes #835

chore: Prepare `0.6.0` release (#811)

chore: Upgrade to 2021 edition (#808)

chore: Prepare v0.5 release (#706)

* bump tonic version to 0.5

* Update changelog for 0.5

* Update CHANGELOG.md

Co-authored-by: David Pedersen <[email protected]>

* address comments

chore: Prepare v0.5 release (#706)

* bump tonic version to 0.5

* Update changelog for 0.5

* Update CHANGELOG.md

Co-authored-by: David Pedersen <[email protected]>

* address comments

Co-authored-by: David Pedersen <[email protected]>

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chore: update prost, and related crates, to 0.8 (#703)

* chore: update prost, and related crates, to 0.8

Updates prost, prost-derive, prost-build, and prost-types to 0.8.

* Update the last few

chore: update prost, and related crates, to 0.8 (#703)

* chore: update prost, and related crates, to 0.8

Updates prost, prost-derive, prost-build, and prost-types to 0.8.

* Update the last few places

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doc(examples): fixed grammar (#646)

Fix helloworld tutorial. (#546)

updated tutorial to use tokio 1.x.

chore: Prepare `0.4` release (#538)

* Prepare `0.4` release

* Fix cargo issues

chore: Prepare 0.3.0 release (#399)

* chore: Prepare 0.3.0 release

* update changelog

* fix builds

* Update breaking changes