feat: new expression language

[ahochsteger]

Description

This PR introduces a new expression language that is more consistent and provides better extensibility for future enhancements.

Since this PR is a major change here are some more details of the many changes that are contained:

• add new expression language {{...}} with more flexibility
• provide backward-compatibility with old expression syntax ${...}
• add functions parseDate, formatDate, offsetDate, join
• add date expression examples
• add legacy expression examples
• handle non-published branches in clasp.sh
• add update-parser.sh to generate antlr4-based parser
• improve testing of log actions
• add expectations to e2e tests
• refactor log message cutoff
• improve action execution results
• add log redaction mode
• add MockFactory.newMockFromExample()
• add more babel plugins for GAS compatibility

Fixes #345

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update
• Other type of change: Major refactorings included

How has this been tested?

• Valid expressions check: expressions-valid.txt
• Invalid expressions check: expressions-invalid.txt
• New date expressions: dateExpressions.ts
• Compatibility with legacy expressions: legacyExpressions.ts

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes

[coveralls]

Pull Request Test Coverage Report for Build 12502932002

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2274 of 2678 (84.91%) changed or added relevant lines in 20 files are covered.
• 37 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-2.3%) to 89.61%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/lib/utils/UtilityTypes.ts	0	1	0.0%
src/lib/expr/ExprFilter.ts	329	333	98.8%
src/lib/processors/MessageProcessor.ts	0	4	0.0%
src/lib/expr/generated/ExprLexer.ts	302	318	94.97%
src/lib/e2e/E2E.ts	9	28	32.14%
src/lib/expr/ExprEvaluator.ts	274	296	92.57%
src/lib/expr/generated/ExprParser.ts	1051	1389	75.67%

Files with Coverage Reduction	New Missed Lines	%
src/lib/e2e/E2E.ts	1	78.87%
src/lib/utils/Timer.ts	8	67.35%
src/lib/processors/MessageProcessor.ts	28	85.34%

Totals
Change from base Build 12289022038:	-2.3%
Covered Lines:	8590
Relevant Lines:	9446

---

💛 - Coveralls

[sonarqubecloud]

Quality Gate passed

Issues
7 New issues
0 Accepted issues

Measures
0 Security Hotspots
91.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud