Update changelog v45.8.0

[lcampos]

What does this PR do?

Updates changelog for release v45.8.0

What issues does this PR fix or reference?

[lcampos]

@ntotten @nrkruk anything else we should add here ?

[codecov]

Codecov Report

Merging #1200 into release/v45.8.0 will decrease coverage by 19.03%.
The diff coverage is n/a.

@@                 Coverage Diff                  @@
##           release/v45.8.0    #1200       +/-   ##
====================================================
- Coverage            71.42%   52.39%   -19.04%     
====================================================
  Files                  196      133       -63     
  Lines                 7314     4707     -2607     
  Branches               770      539      -231     
====================================================
- Hits                  5224     2466     -2758     
- Misses                1934     2145      +211     
+ Partials               156       96       -60

Impacted Files	Coverage Δ
...lay-debugger/src/states/variableAssignmentState.ts	2.98% <0%> (-89.56%)	⬇️
...-apex-replay-debugger/src/states/frameStateUtil.ts	7.69% <0%> (-88.47%)	⬇️
...x-replay-debugger/src/states/variableBeginState.ts	11.76% <0%> (-88.24%)	⬇️
...sforcedx-apex-replay-debugger/src/core/heapDump.ts	7.69% <0%> (-84.62%)	⬇️
...x-apex-replay-debugger/src/core/heapDumpService.ts	1.58% <0%> (-82.54%)	⬇️
...dx-apex-replay-debugger/src/core/logContextUtil.ts	15.38% <0%> (-76.93%)	⬇️
...-replay-debugger/src/breakpoints/breakpointUtil.ts	20.83% <0%> (-75%)	⬇️
...-apex-replay-debugger/src/states/userDebugState.ts	18.75% <0%> (-75%)	⬇️
...-apex-replay-debugger/src/states/frameExitState.ts	25% <0%> (-75%)	⬇️
...eplay-debugger/src/states/statementExecuteState.ts	28.57% <0%> (-71.43%)	⬇️
... and 73 more

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[codecov]

Codecov Report

Merging #1200 into release/v45.8.0 will increase coverage by 0.02%.
The diff coverage is n/a.

@@                 Coverage Diff                 @@
##           release/v45.8.0    #1200      +/-   ##
===================================================
+ Coverage            71.42%   71.45%   +0.02%     
===================================================
  Files                  196      196              
  Lines                 7314     7314              
  Branches               770      770              
===================================================
+ Hits                  5224     5226       +2     
+ Misses                1934     1933       -1     
+ Partials               156      155       -1

Impacted Files	Coverage Δ
...edx-vscode-core/src/telemetry/telemetryReporter.ts	53.52% <0%> (+2.81%)	⬆️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[ruthemmanuelle]

I added a commit with some edits.