Merge branch 'master' into improve/AccessControl/internal-return-bool

Author: Amxx

.changeset/afraid-walls-smell.md

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+---
+'openzeppelin-solidity': major
+---
+
+`ERC1155Receiver`: Removed in favor of `ERC1155Holder`.

.changeset/eight-peaches-guess.md

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+---
+'openzeppelin-solidity': minor
+---
+
+`Proxy`: Removed redundant `receive` function.

.changeset/empty-taxis-kiss.md

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+---
+'openzeppelin-solidity': major
+---
+
+`UUPSUpgradeable`, `TransparentUpgradeableProxy` and `ProxyAdmin`: Removed `upgradeTo` and `upgrade` functions, and made `upgradeToAndCall` and `upgradeAndCall` ignore the data argument if it is empty. It is no longer possible to invoke the receive function (or send value with empty data) along with an upgrade.

.changeset/fluffy-countries-buy.md

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+---
+'openzeppelin-solidity': minor
+---
+
+`Arrays`: Optimize `findUpperBound` by removing redundant SLOAD.

.changeset/hot-dingos-kiss.md

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+---
+'openzeppelin-solidity': major
+---
+
+`MessageHashUtils`: Add a new library for creating message digest to be used along with signing or recovery such as  ECDSA or ERC-1271. These functions are moved from the `ECDSA` library.

.changeset/proud-seals-complain.md

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+---
+'openzeppelin-solidity': patch
+---
+
+`BeaconProxy`: Use an immutable variable to store the address of the beacon. It is no longer possible for a `BeaconProxy` to upgrade by changing to another beacon.

.changeset/purple-cats-cheer.md

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+---
+'openzeppelin-solidity': major
+---
+
+`GovernorTimelockControl`: Add the Governor instance address as part of the TimelockController operation `salt` to avoid operation id collisions between governors using the same TimelockController.

.changeset/spicy-sheep-eat.md

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+---
+'openzeppelin-solidity': major
+---
+
+`access`: Move `AccessControl` extensions to a dedicated directory.

.changeset/strong-poems-thank.md

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+---
+'openzeppelin-solidity': major
+---
+
+`DoubleEndedQueue`: refactor internal structure to use `uint128` instead of `int128`. This has no effect on the library interface.

.changeset/swift-numbers-cry.md

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+---
+'openzeppelin-solidity': minor
+---
+
+`Governor`, `Initializable`, and `UUPSUpgradeable`: Use internal functions in modifiers to optimize bytecode size.