Commits on Aug 23, 2022

1. Increase performance in Liquid::Lexer#tokenize …

   To obtain String Literal, the regular expression might be executed at two times.
   It would be slightly faster to run them all at once using `Regexp.union`.
   
   −               | before   | after   | result
   --               | --       | --      | --
   parse            | 63.418   | 65.183  | 1.028x
   render           | 195.389  | 195.648 | -
   parse & render   | 46.091   | 46.917  | 1.018x
   
   ### Environment
   - MacBook Pro (14 inch, 2021)
   - macOS 13.0 Beta
   - Apple M1 Max
   - Ruby 3.1.2
   
   ### Before
   ```
   Running benchmark for 10 seconds (with 5 seconds warmup).
   
   Warming up --------------------------------------
                 parse:     6.000  i/100ms
                render:    19.000  i/100ms
        parse & render:     4.000  i/100ms
   Calculating -------------------------------------
                 parse:     63.418  (± 0.0%) i/s -    636.000  in  10.028939s
                render:    195.389  (± 0.5%) i/s -      1.957k in  10.016466s
        parse & render:     46.091  (± 0.0%) i/s -    464.000  in  10.067445s
   ```
   
   ### After
   ```
   Running benchmark for 10 seconds (with 5 seconds warmup).
   
   Warming up --------------------------------------
                 parse:     6.000  i/100ms
                render:    19.000  i/100ms
        parse & render:     4.000  i/100ms
   Calculating -------------------------------------
                 parse:     65.183  (± 0.0%) i/s -    654.000  in  10.033549s
                render:    195.648  (± 1.0%) i/s -      1.957k in  10.003511s
        parse & render:     46.917  (± 0.0%) i/s -    472.000  in  10.060782s
   ```

   

   Watson1978 committed Aug 23, 2022
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