chore(deps): Update dependency com.google.protobuf:protobuf-gradle-plugin to v0.9.5 (#270)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[com.google.protobuf:protobuf-gradle-plugin](https://redirect.github.com/google/protobuf-gradle-plugin)
| `0.9.4` -> `0.9.5` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.protobuf:protobuf-gradle-plugin/0.9.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.protobuf:protobuf-gradle-plugin/0.9.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.protobuf:protobuf-gradle-plugin/0.9.4/0.9.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.protobuf:protobuf-gradle-plugin/0.9.4/0.9.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>google/protobuf-gradle-plugin
(com.google.protobuf:protobuf-gradle-plugin)</summary>

###
[`v0.9.5`](https://redirect.github.com/google/protobuf-gradle-plugin/releases/tag/v0.9.5):
is released

#### Fixed bugs

- Clean output directory before extracting protos
([#&#8203;735](https://redirect.github.com/google/protobuf-gradle-plugin/issues/735)).
This was then enhanced to sync instead of delete
([#&#8203;772](https://redirect.github.com/google/protobuf-gradle-plugin/issues/772))
- Revert work-around removal from
[#&#8203;719](https://redirect.github.com/google/protobuf-gradle-plugin/issues/719)
and properly fix unexpected inputs to configuration cache
([#&#8203;770](https://redirect.github.com/google/protobuf-gradle-plugin/issues/770))

#### Improvements

- Allow the path of a java executable to be configured
([#&#8203;750](https://redirect.github.com/google/protobuf-gradle-plugin/issues/750))
- Change default output folder to Gradle best practices
(`generated/sources/proto`; plural, not singular)
([#&#8203;755](https://redirect.github.com/google/protobuf-gradle-plugin/issues/755))

#### Thanks to contributors


[@&#8203;holgerstolzenberg](https://redirect.github.com/holgerstolzenberg)
[@&#8203;Vampire](https://redirect.github.com/Vampire)
[@&#8203;wfhartford](https://redirect.github.com/wfhartford)

</details>

---

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are satisfied.

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---

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---

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build.gradle

@@ -12,7 +12,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.9.4'
+        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.9.5'
     }
 }