Improve sourcemaps resolve command output

[szokeasaurusrex]

This PR makes two improvements to the sourcemaps resolve command output:

• The PR changes the output line and column values from zero-indexed to one-indexed values. By switching to one-indexed values, the output line and column numbers use the same scale as the input values and follow the standard convention for line and column numbers in source code files. This change fixes the off-by-one error reported in Source mapping is offset when using switch statements #1863.
• The output text has been restructured and clarified to indicate that the sourcemap resolver locates the closest token to the line and column input that the user provides. With this change, it should be clear to users that the source and minified file line/column locations reported in the output are the locations of this nearest token that the sourcemap resolver locates. This change is specifically intended to help avoid confusion in cases where the nearest token may in a different location (perhaps even, on a different line) than the search location provided in the user's input.

Example

To demonstrate this change, we include an example below to demonstrate how the command output has changed. We use the sourcemap from the "Steps to Reproduce" in #1863 (comment).

Example command

$ sentry-cli sourcemaps resolve /path/to/example/sourcemap.js.map -l 6

Old output

source map path: "[...]"
source map type: regular
lookup line: 5, column: 0:
  name: not found
  source file: "/test.ts"
  source line: 5
  source column: 13
  minified line: 4
  minified column: 15
  source code:
    console.log("test2");
    
    switch (process.env.TEST) {
      case "test":
        throw new Error("test");
      default:
        throw new Error("default");

New output

source map path: "[...]"
source map type: regular

Searching for token nearest to line 6, column 1 in the minified file:

  Found the nearest token (unnamed) at line 5, column 16 in the minified file.

        - The same token is located at line 6, column 14 in source file /test.ts.


  Source code:
    console.log("test2");
    
    switch (process.env.TEST) {
      case "test":
        throw new Error("test");
      default:
        throw new Error("default");

Fixes GH-1863

[Swatinem]

🎉 1-based offsets is so much better

If you want to be even fancier, you could use so colors/format to bold the numbers or something, but I believe things are already much better.