chore(deps): update dependency gts to v1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
gts	devDependencies	major	^0.9.0 -> ^1.0.0	source

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Release Notes

google/gts

v1.0.0

Compare Source

This release contains breaking changes. Picking up this update most likely will cause a breaking change in your module. Take care when picking up this update.

Breaking Changes

• We have switched to prettier as the code formatting tool (#​259). gts run fix should migrate your code over to the new style 💅.
• This release drops support for Node 6 which will reach end-of-life in April 2019 (#​256) 💀.
• This release defaults to ES2017 as the TypeScript code generation target. This means that the generated code needs a minimum of Node 8 to run. On the plus side this means that generated code would use native implementation of ES2017 features (e.g. async/await) rather than using poly-fills 🧬. This change is most likely a breaking change for your module. You can override this setting by customizing your tsconfig.json however.
• The tslint configuration has been updated to pick up changes in the Google style guide🧐.
• Assumes that target projects are using TypeScript 3.x+ 🎯.

Other features

• Support for yarn (#​285)

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[callmehiphop]

@JustinBeckwith @bcoe could use some CLA help here! 🆘

[codecov]

Codecov Report

Merging #173 into master will not change coverage.
The diff coverage is 36.36%.

@@           Coverage Diff           @@
##           master     #173   +/-   ##
=======================================
  Coverage   83.78%   83.78%           
=======================================
  Files           3        3           
  Lines          74       74           
  Branches        5        5           
=======================================
  Hits           62       62           
  Misses         12       12

Impacted Files	Coverage Δ
src/index.ts	100% <ø> (ø)	⬆️
tools/prepublish.ts	45.45% <0%> (ø)	⬆️
src/load.ts	100% <100%> (ø)	⬆️

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