Merge branch 'master' into refactro/governor-is-erc721-holder

Author: Amxx

.changeset/beige-ducks-flow.md

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+---
+'openzeppelin-solidity': major
+---
+Use `abi.encodeCall` in place of `abi.encodeWithSelector` and `abi.encodeWithSignature` for improved type-checking of parameters

.changeset/big-plums-cover.md

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+---
+'openzeppelin-solidity': minor
+---
+
+`Math`: Make `ceilDiv` to revert on 0 division even if the numerator is 0

.changeset/blue-scissors-design.md

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+---
+'openzeppelin-solidity': patch
+---
+
+Optimize `Strings.equal`

.changeset/dirty-mangos-sort.md

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+---
+'openzeppelin-solidity': minor
+---
+
+Replace some uses of `abi.encodePacked` with clearer alternatives (e.g. `bytes.concat`, `string.concat`).

.changeset/eighty-crabs-listen.md

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+---
+'openzeppelin-solidity': patch
+---
+
+`ECDSA`: Use unchecked arithmetic for the `tryRecover` function that receives the `r` and `vs` short-signature fields separately.

.changeset/flat-bottles-wonder.md

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+---
+'openzeppelin-solidity': major
+---
+
+`ERC1967Utils`: Refactor the `ERC1967Upgrade` abstract contract as a library.