feat: add bySignature methods for action creating and casting

[dd0sxx]

Motivation:

Adds bySignature methods to the token voting caster and action creator. This allows tokenholders to create actions and vote by only using a signature. This PR also includes the forge-std and open-zeppelin submodules.

Modifications:

This abstracts casting and creating logic into internal functions that are used directly by an external function on the contract or through a bySig function that takes a signature.

Result:

Users can call the common tokenvoting functions by signature.

[github-actions]

Coverage after merging theo/bysig into main will be

0.00%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src/lib
ERC721NonTransferableMinimalProxy.sol	0%	0%	0%	0%	102, 104, 106, 118–120, 128, 128, 128, 130, 130, 130, 134, 137, 139, 143, 145, 145, 145, 149, 152, 154, 156, 164, 166, 166, 166, 175, 177, 177, 177, 190, 41, 41, 41, 45, 45, 45, 47, 63–64, 72, 74, 74, 74, 76, 78, 82, 84, 88, 88, 88, 90, 90, 90, 92, 92, 92, 97, 99
LlamaUtils.sol	0%	0%	0%	0%	13, 13, 13–14, 19, 19, 19–20, 26, 32
PolicyholderCheckpoints.sol	0%	0%	0%	0%	101–102, 110, 123, 125, 125, 125, 127, 130, 130, 130, 133, 133, 133–136, 138, 140, 142–143, 160–162, 162, 162–163, 165, 168, 184–186, 186, 186–187, 189, 192, 202, 211, 222, 229, 229–231, 233, 233–235, 237, 237–239, 241, 241–243, 262, 265–271, 278, 38, 38, 38–39, 41, 43–44, 46, 46, 46–48, 48, 48–49, 51, 55, 57, 72, 79–80, 97–98, 98, 98–99
SupplyCheckpoints.sol	0%	0%	0%	0%	100–101, 109, 124, 126, 126, 126, 128, 131, 131, 131, 134, 134, 134–137, 139, 142, 159–161, 161, 161–162, 164, 167, 183–185, 185, 185–186, 188, 191, 201, 210, 213, 215–216, 224, 235, 242, 242–244, 246, 246–248, 250, 250–252, 254, 254–256, 275, 278–284, 291, 42, 42, 42–43, 45, 47–48, 50, 50, 50–52, 52, 52–53, 55, 59, 61, 71, 78–79, 96–97, 97, 97–98
src/token-voting
ERC20TokenholderActionCreator.sol	0%	100%	0%	0%	25, 29, 33
ERC20TokenholderCaster.sol	0%	100%	0%	0%	24, 28, 32
ERC721TokenholderActionCreator.sol	0%	100%	0%	0%	28, 32, 36
ERC721TokenholderCaster.sol	0%	100%	0%	0%	24, 28, 32
LlamaTokenVotingFactory.sol	0%	0%	0%	0%	47–48, 48, 48–50, 52–53, 65–66, 73–74, 84–85, 95–96
TokenholderActionCreator.sol	0%	0%	0%	0%	125, 154–156, 156, 156–157, 164, 177–179, 179, 179–180, 187, 187, 187–188, 188, 188–189, 197, 210–211, 211, 211–212, 215–216, 216, 216, 218, 220–221, 225–226, 230, 230, 230–232, 242–243, 250, 270, 272, 286, 295, 299, 304
TokenholderCaster.sol	0%	0%	0%	0%	211, 223–225, 225, 225–226, 238, 250–252, 252, 252–253, 260, 262, 262, 262, 264–265, 265, 265–266, 269, 269, 269, 272–273, 273, 273–274, 277–282, 282, 282–283, 283, 283, 285–287, 294, 296–297, 297, 297, 299, 301, 301, 301–302, 304, 304, 304, 306–307, 307, 307–308, 311–316, 316, 316–317, 317, 317, 319–321, 327, 329–330, 330, 330–331, 331, 331–332, 332–335, 337, 339–340, 342, 342, 342–343, 343, 343–344, 344, 344–346, 352, 354–355, 355, 355–356, 356, 356–357, 357, 357–358, 358–361, 363, 365–366, 368, 368, 368–369, 369, 369–370, 370, 370–372, 376, 376, 376, 379–380, 380, 380–381, 384, 384, 384, 392, 402–403, 410, 425, 436, 447, 458, 463