[Snyk] Security upgrade solc from 0.4.26 to 0.5.13

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	658/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-HOSTEDGITINFO-1088355	No	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: solc

The new version differs by 250 commits.

• 251e99f Merge pull request #405 from ethereum/prepare0513
• 80324e3 Preparing 0.5.13
• 3bb3971 Merge pull request #404 from ethereum/reorder-helpers
• cb1cee7 Reorder functions in wrapper (move version/license early)
• ec9a55e Merge pull request #403 from ethereum/tests-errors
• 99df4ae Fix librariesSupplier in compileStandardWrapper
• fcf0ecf Add tests for error cases in StandardCompiler
• 1d95d3f Merge pull request #394 from ethereum/test-versions
• 99390aa Remove unneccessary condition in wrapStandardCompiler
• 5441f2c Run semistandard
• 8447a50 Download locally using curl
• f272af9 Run tests for bunch of more versions
• bba5ab9 Merge pull request #401 from ethereum/test-reorg
• 5ed5e6c Rename test fixtures to be consistent and place them under test/resources
• f750d30 Merge pull request #393 from ethereum/drop-dao-tests
• bc8ac05 Merge pull request #399 from ethereum/test-fixes
• 57390cd Do not run import callback test on <0.2.1
• b547aa2 Merge pull request #398 from ethereum/test-fixes
• 62cf071 Backport new callback API to 0.5 to compileStandardWrapper
• 5de2854 Fix tests to properly check for types and not implicitly cast strings to booleans
• 2f79710 Merge pull request #397 from ethereum/rename
• 8f6fa04 Rename test/package.js to test/compiler.js
• abb4d8a Merge pull request #396 from ethereum/cvc4_timeout
• a8e6c3c Add timeout for SMT solvers

See the full diff

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