feat(tests): Use official semver.org RegExp (#5990)
feat(tests): Use official semver.org RegExp (#5990)

Use the official semantic versioning regexp from
https://semver.org/, rather than the shorter but sloppier one
we had previously found at
https://gist.github.com/jhorsman/62eeea161a13b80e39f5249281e17c39.
rachel-fenichel/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,mark-friedman/blockly,mark-friedman/blockly,rachel-fenichel/blockly,google/blockly,google/blockly,google/blockly,rachel-fenichel/blockly,google/blockly,mark-friedman/blockly,mark-friedman/blockly,google/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,mark-friedman/blockly,mark-friedman/blockly,google/blockly,google/blockly