Update LS dependencies

[devbugging]

Description

This PR updates language server dependencies needed for updating dependencies in the CLI, specifically it updates:

• cadence v0.18.1-0.20210617175100-225316245130 -> v0.19.1
• go SDK v0.20.0-alpha.1 -> v0.22.0
• flow cli v0.28.4

It also implements all the API changes made in the dependencies.

WIP: After CLI is released and tagged, tag the new version here

---

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[github-actions]

Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit 141b10c
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Results

	old.txt	new.txt
	time/op		delta
CheckContractInterfaceFungibleTokenConformance-2	179µs ± 1%	190µs ± 4%	+6.60%	(p=0.003 n=5+7)
ParseInfix-2	25.6µs ± 2%	26.7µs ± 3%	+4.22%	(p=0.005 n=7+7)
ParseFungibleToken-2	493µs ± 2%	511µs ± 1%	+3.47%	(p=0.001 n=7+6)
ParseArray-2	24.0ms ± 4%	24.8ms ± 3%	+3.34%	(p=0.011 n=7+7)
QualifiedIdentifierCreation/One_level-2	3.48ns ± 3%	3.58ns ± 3%	+2.75%	(p=0.038 n=7+7)
NewInterpreter/new_sub-interpreter-2	2.32µs ± 2%	2.38µs ± 4%	+2.68%	(p=0.009 n=6+6)
ParseDeploy/decode_hex-2	1.59ms ± 2%	1.62ms ± 1%	+2.43%	(p=0.022 n=7+6)
QualifiedIdentifierCreation/Three_levels-2	181ns ± 2%	184ns ± 3%	+1.80%	(p=0.038 n=7+7)
RuntimeFungibleTokenTransfer-2	1.61ms ±21%	1.67ms ±21%	~	(p=0.620 n=7+7)
RuntimeResourceDictionaryValues-2	18.2ms ± 4%	18.7ms ± 6%	~	(p=0.128 n=7+7)
ParseDeploy/byte_array-2	36.4ms ± 3%	37.4ms ± 4%	~	(p=0.073 n=7+7)
ContractInterfaceFungibleToken-2	52.2µs ± 8%	54.3µs ± 7%	~	(p=0.073 n=7+7)
InterpretRecursionFib-2	2.98ms ± 6%	3.03ms ± 3%	~	(p=0.165 n=7+7)
NewInterpreter/new_interpreter-2	1.30µs ± 4%	1.30µs ± 4%	~	(p=0.620 n=7+7)
	alloc/op		delta
RuntimeResourceDictionaryValues-2	4.34MB ± 0%	4.34MB ± 0%	~	(p=0.366 n=7+6)
QualifiedIdentifierCreation/One_level-2	0.00B	0.00B	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	64.0B ± 0%	64.0B ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	26.5kB ± 0%	26.5kB ± 0%	~	(all equal)
CheckContractInterfaceFungibleTokenConformance-2	65.7kB ± 0%	65.7kB ± 0%	~	(all equal)
InterpretRecursionFib-2	1.24MB ± 0%	1.24MB ± 0%	~	(p=0.462 n=7+7)
NewInterpreter/new_interpreter-2	720B ± 0%	720B ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	1.11kB ± 0%	1.11kB ± 0%	~	(all equal)
RuntimeFungibleTokenTransfer-2	238kB ± 0%	238kB ± 0%	−0.01%	(p=0.035 n=6+7)
	allocs/op		delta
RuntimeFungibleTokenTransfer-2	4.53k ± 0%	4.53k ± 0%	~	(p=0.670 n=7+7)
RuntimeResourceDictionaryValues-2	108k ± 0%	108k ± 0%	~	(p=0.333 n=7+7)
QualifiedIdentifierCreation/One_level-2	0.00	0.00	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	2.00 ± 0%	2.00 ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	457 ± 0%	457 ± 0%	~	(all equal)
CheckContractInterfaceFungibleTokenConformance-2	1.07k ± 0%	1.07k ± 0%	~	(all equal)
InterpretRecursionFib-2	25.0k ± 0%	25.0k ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	11.0 ± 0%	11.0 ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	32.0 ± 0%	32.0 ± 0%	~	(all equal)

[turbolent]

@sideninja Do we still need to get this in? Happy to sync

[codecov-commenter]

Codecov Report

Merging #1163 (08b685f) into master (141b10c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1163   +/-   ##
=======================================
  Coverage   77.17%   77.17%           
=======================================
  Files         279      279           
  Lines       35791    35791           
=======================================
  Hits        27623    27623           
  Misses       7081     7081           
  Partials     1087     1087           

Flag	Coverage Δ
unittests	77.17% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 141b10c...08b685f. Read the comment docs.

[turbolent]

Updated further to the latest Cadence release v0.20.2 and the latest Flow CLI release v0.29.0

[turbolent]

Cadence-related changes look good, thank you!