Support "IS NOT TRUE/FALSE" syntax

[sarahyurick]

Which issue does this PR close?

Closes#2265

What changes are included in this PR?

Similar to #3235 and #3246, this PR adds the "IS NOT TRUE" and "IS NOT FALSE" boolean operations and their SQL-level tests.

[sarahyurick]

@andygrove this should also be included in #3247

[codecov-commenter]

Codecov Report

Merging #3252 (b78a756) into master (94dacce) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@ Coverage Diff @@## master #3252 +/- ##
=======================================
Coverage 85.85% 85.86% =======================================
Files 293 293 Lines 53284 53322 +38 =======================================
+ Hits 45747 45784 +37 - Misses 7537 7538 +1 

Impacted Files	Coverage Δ
datafusion/core/tests/sql/expr.rs	99.86% <100.00%> (+<0.01%)	⬆️
datafusion/sql/src/planner.rs	80.66% <100.00%> (+0.07%)	⬆️
datafusion/expr/src/logical_plan/plan.rs	78.21% <0.00%> (-0.35%)	⬇️
datafusion/common/src/scalar.rs	84.65% <0.00%> (+0.06%)	⬆️

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[ursabot]

Benchmark runs are scheduled for baseline = bcb660e and contender = 2de77fb. 2de77fb is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java