feat: add randomness to mock provider (#730)

## Description



References a new google doc which has some randomness in it 

----

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added appropriate labels to the PR
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/umee-network/umee/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

Author: adamewozniak

price-feeder/CHANGELOG.md

@@ -45,6 +45,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+### Features
+
+- [#730](https://github.com/umee-network/umee/pull/730) Update the mock provider to use a new spreadsheet which uses randomness.
+
 ### Improvements
 
 - [#684](https://github.com/umee-network/umee/pull/684) Log errors when providers are unable to unmarshal candles and tickers, instead of either one.

price-feeder/oracle/provider/mock.go

@@ -14,8 +14,8 @@ import (
 const (
 	// Google Sheets document containing mock exchange rates.
 	//
-	// Ref: https://docs.google.com/spreadsheets/d/1wdaXPwlTqWnwhco4KQGEK5M0tXjCRQ1X4D-dIEiI1Xc/edit#gid=0
-	mockBaseURL = "https://docs.google.com/spreadsheets/d/e/2PACX-1vSuFLjDFs5ajCoVZ8wFXaJ4DV8MkAKBcX2BJzWkLjx9i-jN-IDclePrBByXm1It8jgaZJGvsglUQuZ6/pub?output=csv&gid=0"
+	// Ref: https://docs.google.com/spreadsheets/d/1DfVh2Xwxfehcwo08h2sBgaqL-2Jem1ri_prsQ3ayFeE/edit?usp=sharing
+	mockBaseURL = "https://docs.google.com/spreadsheets/d/e/2PACX-1vQRVD0IMn8ZdRgmE2XeNkwjpSGglwelx1z0-hNV2ejfstVeuL2xF8i3EISBZfrGTjVTI0EXW9Wwq4F-/pub?output=csv"
 )
 
 var _ Provider = (*MockProvider)(nil)