feat: min and max operators on coins (backport cosmos#11200) (cosmos#…

…11249)

* feat: min and max operators on coins (cosmos#11200)

Closes: cosmos#10995

Adds `Min()` and `Max()` operations on `sdk.Coins` for per-denom minimum and maximum.

Replaced an example of manual low-level construction of `Coins` with higher-level operators.
Upcoming enhancements to vesting accounts make heavy use of this pattern.

---

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- [X] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [X] added `!` to the type prefix if API or client breaking change
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- [X] added a changelog entry to `CHANGELOG.md`
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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
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(cherry picked from commit afbb0bd)

* fix conflicts

Co-authored-by: Jim Larson <32469398+JimLarson@users.noreply.github.com>
Co-authored-by: marbar3778 <marbar3778@yahoo.com>

CHANGELOG.md

@@ -41,9 +41,6 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (x/bank) [\#10771](https://github.com/cosmos/cosmos-sdk/pull/10771) Add safety check on bank module perms to allow module-specific mint restrictions (e.g. only minting a certain denom).
 * (x/bank) [\#10771](https://github.com/cosmos/cosmos-sdk/pull/10771) Add `bank.BankKeeper.WithMintCoinsRestriction` function to restrict use of bank `MintCoins` usage. This function is not on the bank `Keeper` interface, so it's not API-breaking, but only additive on the keeper implementation.
-
-### Features
-
 * [\#11124](https://github.com/cosmos/cosmos-sdk/pull/11124) Add `GetAllVersions` to application store
 
 ### Bug Fixes
@@ -54,6 +51,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Improvements
 
 * [\#9576](https://github.com/cosmos/cosmos-sdk/pull/9576) Add debug error message to query result when enabled
+* (types) [\#11200](https://github.com/cosmos/cosmos-sdk/pull/11200) Added `Min()` and `Max()` operations on sdk.Coins.
 
 ## [v0.45.1](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.1) - 2022-02-03