Browserify has changed the sourcemap charset to use `=` instead of `:`.
This has frequently changed, so this fix changes the regex to match a
single character `.`
For reference:
https://github.com/substack/node-browserify/blob/b2374cef35072e7690ab31a68664b0733c1b4995/changelog.markdown#1200

Fixes #130

fix(sourcemap-regex): fix regex to match browserify sorucemap charset

Update dependencies

Release docs

Bumps [minimist](https://github.com/substack/minimist) from 1.2.5 to 1.2.6.
- [Release notes](https://github.com/substack/minimist/releases)
- [Commits](https://github.com/substack/minimist/compare/1.2.5...1.2.6)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

…-1.2.6

Bump minimist from 1.2.5 to 1.2.6

Update deps